420257584392 has 64 divisors (see below), whose sum is σ = 1115249109120. Its totient is φ = 131513361408.

The previous prime is 420257584387. The next prime is 420257584429. The reversal of 420257584392 is 293485752024.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 1135308 + ... + 1459259.

It is an arithmetic number, because the mean of its divisors is an integer number (17425767330).

Almost surely, 2^420257584392 is an apocalyptic number.

It is an amenable number.

420257584392 is an abundant number, since it is smaller than the sum of its proper divisors (694991524728).

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

420257584392 is a wasteful number, since it uses less digits than its factorization.

420257584392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594990 (or 2594986 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 420257584392 in words is "four hundred twenty billion, two hundred fifty-seven million, five hundred eighty-four thousand, three hundred ninety-two".