630399973320 has 160 divisors (see below), whose sum is σ = 2281832534520. Its totient is φ = 155175367680.

The previous prime is 630399973289. The next prime is 630399973351. The reversal of 630399973320 is 23379993036.

It is a happy number.

630399973320 is a `hidden beast` number, since 6 + 303 + 9 + 9 + 9 + 7 + 3 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (630399973289) and next prime (630399973351).

It can be written as a sum of positive squares in 4 ways, for example, as 159263250084 + 471136723236 = 399078^2 + 686394^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7441261 + ... + 7525500.

Almost surely, 2^630399973320 is an apocalyptic number.

630399973320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630399973320 is an abundant number, since it is smaller than the sum of its proper divisors (1651432561200).

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

630399973320 is a wasteful number, since it uses less digits than its factorization.

630399973320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14966797 (or 14966784 counting only the distinct ones).

The product of its (nonzero) digits is 4960116, while the sum is 54.

The spelling of 630399973320 in words is "six hundred thirty billion, three hundred ninety-nine million, nine hundred seventy-three thousand, three hundred twenty".