420773989032 has 64 divisors (see below), whose sum is σ = 1178019993600. Its totient is φ = 139153593600.

The previous prime is 420773988983. The next prime is 420773989033. The reversal of 420773989032 is 230989377024.

420773989032 is a `hidden beast` number, since 420 + 77 + 39 + 8 + 90 + 32 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 420773989032.

It is not an unprimeable number, because it can be changed into a prime (420773989033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7641969 + ... + 7696832.

It is an arithmetic number, because the mean of its divisors is an integer number (18406562400).

Almost surely, 2^420773989032 is an apocalyptic number.

It is an amenable number.

420773989032 is an abundant number, since it is smaller than the sum of its proper divisors (757246004568).

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

420773989032 is a wasteful number, since it uses less digits than its factorization.

420773989032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338943 (or 15338933 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 420773989032 in words is "four hundred twenty billion, seven hundred seventy-three million, nine hundred eighty-nine thousand, thirty-two".