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400071440004 = 22333339286667
BaseRepresentation
bin1011101001001100001…
…11011011011010000100
31102020122122222220020220
411310212013123122010
523023321242040004
6503442411224340
740622100062625
oct5644607333204
91366578886226
10400071440004
1114473a997325
12656531480b0
132b95a392432
141551387ba4c
15a617d0add9
hex5d261db684

400071440004 has 12 divisors (see below), whose sum is σ = 933500026704. Its totient is φ = 133357146664.

The previous prime is 400071439981. The next prime is 400071440009. The reversal of 400071440004 is 400044170004.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (400071440009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16669643322 + ... + 16669643345.

It is an arithmetic number, because the mean of its divisors is an integer number (77791668892).

Almost surely, 2400071440004 is an apocalyptic number.

It is an amenable number.

400071440004 is an abundant number, since it is smaller than the sum of its proper divisors (533428586700).

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

400071440004 is a wasteful number, since it uses less digits than its factorization.

400071440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33339286674 (or 33339286672 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The spelling of 400071440004 in words is "four hundred billion, seventy-one million, four hundred forty thousand, four".

Divisors: 1 2 3 4 6 12 33339286667 66678573334 100017860001 133357146668 200035720002 400071440004