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400481470680 = 23358340208983
BaseRepresentation
bin1011101001111101000…
…11100100100011011000
31102021201020112121121020
411310332203210203120
523030141224030210
6503551215442440
740635206222424
oct5647643444330
91367636477536
10400481470680
11144930393455
1265748526420
132b9c4306535
14155520d3b84
15a63dd01770
hex5d3e8e48d8

400481470680 has 64 divisors (see below), whose sum is σ = 1215919676160. Its totient is φ = 105508368768.

The previous prime is 400481470589. The next prime is 400481470693. The reversal of 400481470680 is 86074184004.

It is a happy number.

400481470680 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20094532 + ... + 20114451.

It is an arithmetic number, because the mean of its divisors is an integer number (18998744940).

Almost surely, 2400481470680 is an apocalyptic number.

400481470680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400481470680 is an abundant number, since it is smaller than the sum of its proper divisors (815438205480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400481470680 is a wasteful number, since it uses less digits than its factorization.

400481470680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209080 (or 40209076 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 400481470680 in words is "four hundred billion, four hundred eighty-one million, four hundred seventy thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 83 120 166 249 332 415 498 664 830 996 1245 1660 1992 2490 3320 4980 9960 40208983 80417966 120626949 160835932 201044915 241253898 321671864 402089830 482507796 603134745 804179660 965015592 1206269490 1608359320 2412538980 3337345589 4825077960 6674691178 10012036767 13349382356 16686727945 20024073534 26698764712 33373455890 40048147068 50060183835 66746911780 80096294136 100120367670 133493823560 200240735340 400481470680