396345312390720 has 224 divisors, whose sum is σ = 1568909756353536. Its totient is φ = 82357467494400.

The previous prime is 396345312390679. The next prime is 396345312390767. The reversal of 396345312390720 is 27093213543693.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2680833226 + ... + 2680981065.

Almost surely, 2^{396345312390720} is an apocalyptic number.

396345312390720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396345312390720 is an abundant number, since it is smaller than the sum of its proper divisors (1172564443962816).

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

396345312390720 is a wasteful number, since it uses less digits than its factorization.

396345312390720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361814329 (or 5361814319 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 57.

The spelling of 396345312390720 in words is "three hundred ninety-six trillion, three hundred forty-five billion, three hundred twelve million, three hundred ninety thousand, seven hundred twenty".