861350994360 has 128 divisors (see below), whose sum is σ = 2886047208000. Its totient is φ = 228503420928.

The previous prime is 861350994337. The next prime is 861350994379. The reversal of 861350994360 is 63499053168.

861350994360 is a `hidden beast` number, since 8 + 6 + 13 + 509 + 94 + 36 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 861350994297 and 861350994306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1857745 + ... + 2274624.

Almost surely, 2^861350994360 is an apocalyptic number.

It is an amenable number.

861350994360 is an abundant number, since it is smaller than the sum of its proper divisors (2024696213640).

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

861350994360 is a wasteful number, since it uses less digits than its factorization.

861350994360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4132582 (or 4132572 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 861350994360 in words is "eight hundred sixty-one billion, three hundred fifty million, nine hundred ninety-four thousand, three hundred sixty".