630904884480 has 216 divisors, whose sum is σ = 2350778445288. Its totient is φ = 155299627008.

The previous prime is 630904884469. The next prime is 630904884481. The reversal of 630904884480 is 84488409036.

630904884480 is a `hidden beast` number, since 6 + 30 + 90 + 4 + 88 + 448 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23328285696 + 607576598784 = 152736^2 + 779472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630904884481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1956627 + ... + 2256146.

It is an arithmetic number, because the mean of its divisors is an integer number (10883233543).

Almost surely, 2^630904884480 is an apocalyptic number.

630904884480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630904884480 is an abundant number, since it is smaller than the sum of its proper divisors (1719873560808).

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

630904884480 is a wasteful number, since it uses less digits than its factorization.

630904884480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212813 (or 4212796 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 630904884480 in words is "six hundred thirty billion, nine hundred four million, eight hundred eighty-four thousand, four hundred eighty".