159440000265 has 320 divisors, whose sum is σ = 384521195520. Its totient is φ = 61272391680.

The previous prime is 159440000261. The next prime is 159440000267. The reversal of 159440000265 is 562000044951.

159440000265 is a `hidden beast` number, since 1 + 594 + 4 + 0 + 0 + 0 + 0 + 2 + 65 = 666.

159440000265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159440000265 - 2² = 159440000261 is a prime.

It is a super-2 number, since 2×159440000265² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159440000261) 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 319 ways as a sum of consecutive naturals, for example, 19418481 + ... + 19426689.

It is an arithmetic number, because the mean of its divisors is an integer number (1201628736).

Almost surely, 2^159440000265 is an apocalyptic number.

159440000265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159440000265 is an abundant number, since it is smaller than the sum of its proper divisors (225081195255).

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

159440000265 is a wasteful number, since it uses less digits than its factorization.

159440000265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294 (or 8285 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 159440000265 in words is "one hundred fifty-nine billion, four hundred forty million, two hundred sixty-five", and thus it is an aban number.