396432377720 has 64 divisors (see below), whose sum is σ = 905438822400. Its totient is φ = 156179802240.

The previous prime is 396432377629. The next prime is 396432377723. The reversal of 396432377720 is 27773234693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396432377723) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25803401 + ... + 25818759.

It is an arithmetic number, because the mean of its divisors is an integer number (14147481600).

Almost surely, 2^396432377720 is an apocalyptic number.

It is an amenable number.

396432377720 is an abundant number, since it is smaller than the sum of its proper divisors (509006444680).

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

396432377720 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (396432377719) it forms an eRAP, since the sums of their prime factors are consecutive (25067 and 25068).

396432377720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25068 (or 25064 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 53.

The spelling of 396432377720 in words is "three hundred ninety-six billion, four hundred thirty-two million, three hundred seventy-seven thousand, seven hundred twenty".