1625468812 has 24 divisors (see below), whose sum is σ = 3104534160. Its totient is φ = 738524160.

The previous prime is 1625468773. The next prime is 1625468837. The reversal of 1625468812 is 2188645261.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113308 + ... + 126844.

It is an arithmetic number, because the mean of its divisors is an integer number (129355590).

Almost surely, 2^1625468812 is an apocalyptic number.

It is an amenable number.

1625468812 is a deficient number, since it is larger than the sum of its proper divisors (1479065348).

1625468812 is a wasteful number, since it uses less digits than its factorization.

1625468812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16281 (or 16279 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 1625468812 is about 40317.1032193534. The cubic root of 1625468812 is about 1175.7803928785.

The spelling of 1625468812 in words is "one billion, six hundred twenty-five million, four hundred sixty-eight thousand, eight hundred twelve".