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40008088480 = 2551063235231
BaseRepresentation
bin100101010000101010…
…101111101110100000
310211021020021110210211
4211100222233232200
51123414032312410
630213544103504
72614303066243
oct452052575640
9124236243724
1040008088480
1115a70583038
127906764b94
133a07955049
141d176b525a
15109258368a
hex950aafba0

40008088480 has 48 divisors (see below), whose sum is σ = 94608428544. Its totient is φ = 15988112640.

The previous prime is 40008088457. The next prime is 40008088559. The reversal of 40008088480 is 8488080004.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52465 + ... + 287695.

It is an arithmetic number, because the mean of its divisors is an integer number (1971008928).

Almost surely, 240008088480 is an apocalyptic number.

40008088480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40008088480 is an abundant number, since it is smaller than the sum of its proper divisors (54600340064).

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

40008088480 is a wasteful number, since it uses less digits than its factorization.

40008088480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236309 (or 236301 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 40008088480 in words is "forty billion, eight million, eighty-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1063 2126 4252 5315 8504 10630 17008 21260 34016 42520 85040 170080 235231 470462 940924 1176155 1881848 2352310 3763696 4704620 7527392 9409240 18818480 37636960 250050553 500101106 1000202212 1250252765 2000404424 2500505530 4000808848 5001011060 8001617696 10002022120 20004044240 40008088480