872495240 has 16 divisors (see below), whose sum is σ = 1963114380. Its totient is φ = 348998080.

The previous prime is 872495209. The next prime is 872495243. The reversal of 872495240 is 42594278.

It can be written as a sum of positive squares in 2 ways, for example, as 791747044 + 80748196 = 28138^2 + 8986^2 .

It is a super-2 number, since 2×872495240² = 1522495887645315200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872495243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10906151 + ... + 10906230.

Almost surely, 2^872495240 is an apocalyptic number.

It is an amenable number.

872495240 is an abundant number, since it is smaller than the sum of its proper divisors (1090619140).

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

872495240 is a wasteful number, since it uses less digits than its factorization.

872495240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21812392 (or 21812388 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 872495240 is about 29538.0304015010. The cubic root of 872495240 is about 955.5520651476.

The spelling of 872495240 in words is "eight hundred seventy-two million, four hundred ninety-five thousand, two hundred forty".