507220633840 has 20 divisors (see below), whose sum is σ = 1179287973864. Its totient is φ = 202888253504.

The previous prime is 507220633831. The next prime is 507220633937. The reversal of 507220633840 is 48336022705.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 507220633793 and 507220633802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170128882 + ... + 3170129041.

Almost surely, 2^507220633840 is an apocalyptic number.

It is an amenable number.

507220633840 is an abundant number, since it is smaller than the sum of its proper divisors (672067340024).

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

507220633840 is a wasteful number, since it uses less digits than its factorization.

507220633840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6340257936 (or 6340257930 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 507220633840 in words is "five hundred seven billion, two hundred twenty million, six hundred thirty-three thousand, eight hundred forty".