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40798097480 = 2357145707491
BaseRepresentation
bin100101111111110000…
…011001000001001000
310220022021211002102102
4211333300121001020
51132023303104410
630424204452532
72643005051420
oct457760310110
9126267732372
1040798097480
111633650a538
127aa724a148
133b0251a4aa
141d9059d480
1510dbad52a5
hex97fc19048

40798097480 has 32 divisors (see below), whose sum is σ = 104909394240. Its totient is φ = 13987919040.

The previous prime is 40798097447. The next prime is 40798097489. The reversal of 40798097480 is 8479089704.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (40798097489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72853466 + ... + 72854025.

It is an arithmetic number, because the mean of its divisors is an integer number (3278418570).

Almost surely, 240798097480 is an apocalyptic number.

40798097480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40798097480 is an abundant number, since it is smaller than the sum of its proper divisors (64111296760).

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

40798097480 is a wasteful number, since it uses less digits than its factorization.

40798097480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145707509 (or 145707505 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 40798097480 in words is "forty billion, seven hundred ninety-eight million, ninety-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 145707491 291414982 582829964 728537455 1019952437 1165659928 1457074910 2039904874 2914149820 4079809748 5099762185 5828299640 8159619496 10199524370 20399048740 40798097480