860646420402 has 16 divisors (see below), whose sum is σ = 1757916093312. Its totient is φ = 280778264720.

The previous prime is 860646420401. The next prime is 860646420421. The reversal of 860646420402 is 204024646068.

It is a super-2 number, since 2×860646420402² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (860646420401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525968549 + ... + 1525969112.

It is an arithmetic number, because the mean of its divisors is an integer number (109869755832).

Almost surely, 2^860646420402 is an apocalyptic number.

860646420402 is an abundant number, since it is smaller than the sum of its proper divisors (897269672910).

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

860646420402 is a wasteful number, since it uses less digits than its factorization.

860646420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051937713.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 860646420402 in words is "eight hundred sixty billion, six hundred forty-six million, four hundred twenty thousand, four hundred two".