396624740000 has 60 divisors (see below), whose sum is σ = 975756403314. Its totient is φ = 158649888000.

The previous prime is 396624739967. The next prime is 396624740011. The reversal of 396624740000 is 47426693.

It can be written as a sum of positive squares in 5 ways, for example, as 77548882576 + 319075857424 = 278476^2 + 564868^2 .

It is a super-2 number, since 2×396624740000² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 396624740000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9895619 + ... + 9935618.

Almost surely, 2^396624740000 is an apocalyptic number.

It is an amenable number.

396624740000 is an abundant number, since it is smaller than the sum of its proper divisors (579131663314).

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

396624740000 is an equidigital number, since it uses as much as digits as its factorization.

396624740000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19831267 (or 19831244 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 396624740000 in words is "three hundred ninety-six billion, six hundred twenty-four million, seven hundred forty thousand".