1626425264 has 20 divisors (see below), whose sum is σ = 3151840680. Its totient is φ = 813047040.

The previous prime is 1626425237. The next prime is 1626425267. The reversal of 1626425264 is 4625246261.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1626425267) 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, 121832 + ... + 134520.

It is an arithmetic number, because the mean of its divisors is an integer number (157592034).

Almost surely, 2^1626425264 is an apocalyptic number.

It is an amenable number.

1626425264 is a deficient number, since it is larger than the sum of its proper divisors (1525415416).

1626425264 is a wasteful number, since it uses less digits than its factorization.

1626425264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708 (or 20702 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 1626425264 is about 40328.9630910590. The cubic root of 1626425264 is about 1176.0109636937.

The spelling of 1626425264 in words is "one billion, six hundred twenty-six million, four hundred twenty-five thousand, two hundred sixty-four".