855470769240 has 32 divisors (see below), whose sum is σ = 2566412308080. Its totient is φ = 228125538432.

The previous prime is 855470769211. The next prime is 855470769301. The reversal of 855470769240 is 42967074558.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564461419 + ... + 3564461658.

Almost surely, 2^855470769240 is an apocalyptic number.

It is an amenable number.

855470769240 is an abundant number, since it is smaller than the sum of its proper divisors (1710941538840).

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

855470769240 is a wasteful number, since it uses less digits than its factorization.

855470769240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128923091 (or 7128923087 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 855470769240 in words is "eight hundred fifty-five billion, four hundred seventy million, seven hundred sixty-nine thousand, two hundred forty".