855439061232 has 40 divisors (see below), whose sum is σ = 2525581991296. Its totient is φ = 244411160256.

The previous prime is 855439061231. The next prime is 855439061233. The reversal of 855439061232 is 232160934558.

It is an interprime number because it is at equal distance from previous prime (855439061231) and next prime (855439061233).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855439061231) 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, 1272974458 + ... + 1272975129.

Almost surely, 2^855439061232 is an apocalyptic number.

It is an amenable number.

855439061232 is an abundant number, since it is smaller than the sum of its proper divisors (1670142930064).

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

855439061232 is a wasteful number, since it uses less digits than its factorization.

855439061232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545949605 (or 2545949599 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 855439061232 in words is "eight hundred fifty-five billion, four hundred thirty-nine million, sixty-one thousand, two hundred thirty-two".