396374744064 has 176 divisors, whose sum is σ = 1156409908640. Its totient is φ = 119961354240.

The previous prime is 396374744039. The next prime is 396374744131. The reversal of 396374744064 is 460447473693.

It is a super-2 number, since 2×396374744064² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396374743995 and 396374744013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2354742 + ... + 2517450.

Almost surely, 2^396374744064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396374744064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578204954320).

396374744064 is an abundant number, since it is smaller than the sum of its proper divisors (760035164576).

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

396374744064 is a wasteful number, since it uses less digits than its factorization.

396374744064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162806 (or 162788 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 57.

The spelling of 396374744064 in words is "three hundred ninety-six billion, three hundred seventy-four million, seven hundred forty-four thousand, sixty-four".