159440034156 has 48 divisors (see below), whose sum is σ = 400696090368. Its totient is φ = 49052116800.

The previous prime is 159440034151. The next prime is 159440034167. The reversal of 159440034156 is 651430044951.

It is a happy number.

It is a super-2 number, since 2×159440034156² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159440034151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221951 + ... + 1346121.

It is an arithmetic number, because the mean of its divisors is an integer number (8347835216).

Almost surely, 2^159440034156 is an apocalyptic number.

It is an amenable number.

159440034156 is an abundant number, since it is smaller than the sum of its proper divisors (241256056212).

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

159440034156 is a wasteful number, since it uses less digits than its factorization.

159440034156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132422 (or 132420 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 159440034156 in words is "one hundred fifty-nine billion, four hundred forty million, thirty-four thousand, one hundred fifty-six".