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40899474920 = 2352344455951
BaseRepresentation
bin100110000101110011…
…000111010111101000
310220120100120121010102
4212011303013113220
51132230231144140
630442225404532
72645345541443
oct460563072750
9126510517112
1040899474920
1116388761947
127b15199748
133b1a523c45
141d9dc2c65a
1510e595ce15
hex985cc75e8

40899474920 has 32 divisors (see below), whose sum is σ = 96024856320. Its totient is φ = 15648494400.

The previous prime is 40899474919. The next prime is 40899474961. The reversal of 40899474920 is 2947499804.

40899474920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22227056 + ... + 22228895.

It is an arithmetic number, because the mean of its divisors is an integer number (3000776760).

Almost surely, 240899474920 is an apocalyptic number.

40899474920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40899474920 is an abundant number, since it is smaller than the sum of its proper divisors (55125381400).

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

40899474920 is a wasteful number, since it uses less digits than its factorization.

40899474920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44455985 (or 44455981 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 40899474920 in words is "forty billion, eight hundred ninety-nine million, four hundred seventy-four thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 44455951 88911902 177823804 222279755 355647608 444559510 889119020 1022486873 1778238040 2044973746 4089947492 5112434365 8179894984 10224868730 20449737460 40899474920