836149535420 has 48 divisors (see below), whose sum is σ = 1781922240000. Its totient is φ = 329512626240.

The previous prime is 836149535407. The next prime is 836149535521. The reversal of 836149535420 is 24535941638.

836149535420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1776131 + ... + 2197029.

It is an arithmetic number, because the mean of its divisors is an integer number (37123380000).

Almost surely, 2^836149535420 is an apocalyptic number.

It is an amenable number.

836149535420 is an abundant number, since it is smaller than the sum of its proper divisors (945772704580).

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

836149535420 is a wasteful number, since it uses less digits than its factorization.

836149535420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422378 (or 422376 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 836149535420 in words is "eight hundred thirty-six billion, one hundred forty-nine million, five hundred thirty-five thousand, four hundred twenty".