42397564326 has 64 divisors (see below), whose sum is σ = 100303418880. Its totient is φ = 11821455360.

The previous prime is 42397564309. The next prime is 42397564327. The reversal of 42397564326 is 62346579324.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587835 + ... + 656006.

It is an arithmetic number, because the mean of its divisors is an integer number (1567240920).

Almost surely, 2^42397564326 is an apocalyptic number.

42397564326 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42397564326 is an abundant number, since it is smaller than the sum of its proper divisors (57905854554).

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

42397564326 is a wasteful number, since it uses less digits than its factorization.

42397564326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243901.

The product of its digits is 6531840, while the sum is 51.

The spelling of 42397564326 in words is "forty-two billion, three hundred ninety-seven million, five hundred sixty-four thousand, three hundred twenty-six".