420645231360 has 108 divisors (see below), whose sum is σ = 1455388723152. Its totient is φ = 112172058624.

The previous prime is 420645231287. The next prime is 420645231373. The reversal of 420645231360 is 63132546024.

420645231360 is a `hidden beast` number, since 4 + 2 + 0 + 64 + 5 + 231 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18245652 + ... + 18268691.

Almost surely, 2^420645231360 is an apocalyptic number.

420645231360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420645231360 is an abundant number, since it is smaller than the sum of its proper divisors (1034743491792).

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

420645231360 is a wasteful number, since it uses less digits than its factorization.

420645231360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36514370 (or 36514353 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 420645231360 its reverse (63132546024), we get a palindrome (483777777384).

The spelling of 420645231360 in words is "four hundred twenty billion, six hundred forty-five million, two hundred thirty-one thousand, three hundred sixty".