159264401640 has 32 divisors (see below), whose sum is σ = 477793205280. Its totient is φ = 42470507072.

The previous prime is 159264401629. The next prime is 159264401711. The reversal of 159264401640 is 46104462951.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 159264401592 and 159264401601.

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, 663601554 + ... + 663601793.

It is an arithmetic number, because the mean of its divisors is an integer number (14931037665).

Almost surely, 2^159264401640 is an apocalyptic number.

159264401640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159264401640 is an abundant number, since it is smaller than the sum of its proper divisors (318528803640).

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

159264401640 is a wasteful number, since it uses less digits than its factorization.

159264401640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327203361 (or 1327203357 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 159264401640 in words is "one hundred fifty-nine billion, two hundred sixty-four million, four hundred one thousand, six hundred forty".