70016732440 has 64 divisors (see below), whose sum is σ = 171312861600. Its totient is φ = 25646819328.

The previous prime is 70016732437. The next prime is 70016732453. The reversal of 70016732440 is 4423761007.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 70016732396 and 70016732405.

It is a congruent number.

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, 1366270 + ... + 1416589.

Almost surely, 2^70016732440 is an apocalyptic number.

It is an amenable number.

70016732440 is an abundant number, since it is smaller than the sum of its proper divisors (101296129160).

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

70016732440 is a wasteful number, since it uses less digits than its factorization.

70016732440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782924 (or 2782920 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 70016732440 in words is "seventy billion, sixteen million, seven hundred thirty-two thousand, four hundred forty".