1625460488 has 32 divisors (see below), whose sum is σ = 3211488000. Its totient is φ = 769152960.

The previous prime is 1625460461. The next prime is 1625460533. The reversal of 1625460488 is 8840645261.

It is a happy number.

It is a Cunningham number, because it is equal to 40317²-1.

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, 156233 + ... + 166311.

It is an arithmetic number, because the mean of its divisors is an integer number (100359000).

Almost surely, 2^1625460488 is an apocalyptic number.

It is an amenable number.

1625460488 is a deficient number, since it is larger than the sum of its proper divisors (1586027512).

1625460488 is a wasteful number, since it uses less digits than its factorization.

1625460488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165 (or 11161 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 1625460488 is about 40316.9999875983. Note that the first 4 decimals coincide. The cubic root of 1625460488 is about 1175.7783858242.

The spelling of 1625460488 in words is "one billion, six hundred twenty-five million, four hundred sixty thousand, four hundred eighty-eight".