156474042624 has 405 divisors, whose sum is σ = 485479142841. Its totient is φ = 50126376960.

The previous prime is 156474042587. The next prime is 156474042649. The reversal of 156474042624 is 426240474651.

It is a happy number.

The square root of 156474042624 is 395568.

It is a perfect power (a square), and thus also a powerful number.

156474042624 is a `hidden beast` number, since 1 + 564 + 7 + 40 + 4 + 26 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7539796224 + 148934246400 = 86832^2 + 385920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 156474042624.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2335433439 + ... + 2335433505.

Almost surely, 2^156474042624 is an apocalyptic number.

156474042624 is the 395568-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156474042624

156474042624 is an abundant number, since it is smaller than the sum of its proper divisors (329005100217).

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

156474042624 is an frugal number, since it uses more digits than its factorization.

156474042624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 156474042624 in words is "one hundred fifty-six billion, four hundred seventy-four million, forty-two thousand, six hundred twenty-four".