42604262464 has 21 divisors (see below), whose sum is σ = 84546110181. Its totient is φ = 21301305600.

The previous prime is 42604262417. The next prime is 42604262483. The reversal of 42604262464 is 46426240624.

The square root of 42604262464 is 206408.

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

It can be written as a sum of positive squares in only one way, i.e., 22143820864 + 20460441600 = 148808^2 + 143040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1638364 + ... + 1664164.

Almost surely, 2^42604262464 is an apocalyptic number.

42604262464 is the 206408-th square number.

It is an amenable number.

42604262464 is a deficient number, since it is larger than the sum of its proper divisors (41941847717).

42604262464 is an frugal number, since it uses more digits than its factorization.

42604262464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51614 (or 25803 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 42604262464 in words is "forty-two billion, six hundred four million, two hundred sixty-two thousand, four hundred sixty-four".