42397564328 has 16 divisors (see below), whose sum is σ = 90851923680. Its totient is φ = 18170384688.

The previous prime is 42397564327. The next prime is 42397564351. The reversal of 42397564328 is 82346579324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42397564328.

It is not an unprimeable number, because it can be changed into a prime (42397564327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378549626 + ... + 378549737.

It is an arithmetic number, because the mean of its divisors is an integer number (5678245230).

Almost surely, 2^42397564328 is an apocalyptic number.

It is an amenable number.

42397564328 is an abundant number, since it is smaller than the sum of its proper divisors (48454359352).

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

42397564328 is a wasteful number, since it uses less digits than its factorization.

42397564328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757099376 (or 757099372 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 53.

The spelling of 42397564328 in words is "forty-two billion, three hundred ninety-seven million, five hundred sixty-four thousand, three hundred twenty-eight".