396593989440 has 112 divisors (see below), whose sum is σ = 1373657400000. Its totient is φ = 96143994880.

The previous prime is 396593989387. The next prime is 396593989447. The reversal of 396593989440 is 44989395693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396593989447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18767565 + ... + 18788684.

Almost surely, 2^396593989440 is an apocalyptic number.

396593989440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396593989440 is an abundant number, since it is smaller than the sum of its proper divisors (977063410560).

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

396593989440 is a wasteful number, since it uses less digits than its factorization.

396593989440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37556280 (or 37556270 counting only the distinct ones).

The product of its (nonzero) digits is 226748160, while the sum is 69.

The spelling of 396593989440 in words is "three hundred ninety-six billion, five hundred ninety-three million, nine hundred eighty-nine thousand, four hundred forty".