625447488 has 56 divisors (see below), whose sum is σ = 1686080448. Its totient is φ = 204545536.

The previous prime is 625447481. The next prime is 625447489. The reversal of 625447488 is 884744526.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (625447481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20556 + ... + 40907.

Almost surely, 2^625447488 is an apocalyptic number.

It is an amenable number.

625447488 is an abundant number, since it is smaller than the sum of its proper divisors (1060632960).

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

625447488 is a wasteful number, since it uses less digits than its factorization.

625447488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61531 (or 61521 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 48.

The square root of 625447488 is about 25008.9481586092. The cubic root of 625447488 is about 855.1919763164.

The spelling of 625447488 in words is "six hundred twenty-five million, four hundred forty-seven thousand, four hundred eighty-eight".