156400628200 has 24 divisors (see below), whose sum is σ = 363631461030. Its totient is φ = 62560251200.

The previous prime is 156400628141. The next prime is 156400628213. The reversal of 156400628200 is 2826004651.

It can be written as a sum of positive squares in 3 ways, for example, as 117798595524 + 38602032676 = 343218^2 + 196474^2 .

It is a super-2 number, since 2×156400628200² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391001371 + ... + 391001770.

Almost surely, 2^156400628200 is an apocalyptic number.

156400628200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156400628200 is an abundant number, since it is smaller than the sum of its proper divisors (207230832830).

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

156400628200 is a wasteful number, since it uses less digits than its factorization.

156400628200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782003157 (or 782003148 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 156400628200 in words is "one hundred fifty-six billion, four hundred million, six hundred twenty-eight thousand, two hundred".