874536840 has 48 divisors (see below), whose sum is σ = 2842245900. Its totient is φ = 233209728.

The previous prime is 874536833. The next prime is 874536853. The reversal of 874536840 is 48635478.

874536840 is a `hidden beast` number, since 8 + 74 + 536 + 8 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 722211876 + 152324964 = 26874^2 + 12342^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214275 + ... + 1214994.

Almost surely, 2^874536840 is an apocalyptic number.

It is an amenable number.

874536840 is an abundant number, since it is smaller than the sum of its proper divisors (1967709060).

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

874536840 is a wasteful number, since it uses less digits than its factorization.

874536840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429286 (or 2429279 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 874536840 is about 29572.5690463308. The cubic root of 874536840 is about 956.2968009902.

The spelling of 874536840 in words is "eight hundred seventy-four million, five hundred thirty-six thousand, eight hundred forty".