297621951042 has 32 divisors (see below), whose sum is σ = 663136447680. Its totient is φ = 88418191680.

The previous prime is 297621951031. The next prime is 297621951073. The reversal of 297621951042 is 240159126792.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 297621950982 and 297621951000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65785084 + ... + 65789607.

It is an arithmetic number, because the mean of its divisors is an integer number (20723013990).

Almost surely, 2^297621951042 is an apocalyptic number.

297621951042 is an abundant number, since it is smaller than the sum of its proper divisors (365514496638).

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

297621951042 is a wasteful number, since it uses less digits than its factorization.

297621951042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131574738.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 297621951042 in words is "two hundred ninety-seven billion, six hundred twenty-one million, nine hundred fifty-one thousand, forty-two".