2538734156 has 24 divisors (see below), whose sum is σ = 5079938976. Its totient is φ = 1087499520.

The previous prime is 2538734131. The next prime is 2538734161. The reversal of 2538734156 is 6514378352.

It is a super-2 number, since 2×2538734156² = 12890342229682064672, which contains 22 as substring.

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, 39530 + ... + 81486.

It is an arithmetic number, because the mean of its divisors is an integer number (211664124).

Almost surely, 2^2538734156 is an apocalyptic number.

It is an amenable number.

2538734156 is an abundant number, since it is smaller than the sum of its proper divisors (2541204820).

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

2538734156 is a wasteful number, since it uses less digits than its factorization.

2538734156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44129 (or 44127 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 2538734156 is about 50385.8527366561. The cubic root of 2538734156 is about 1364.1822947592.

The spelling of 2538734156 in words is "two billion, five hundred thirty-eight million, seven hundred thirty-four thousand, one hundred fifty-six".