879055100240 has 40 divisors (see below), whose sum is σ = 2052728055240. Its totient is φ = 350086565376.

The previous prime is 879055100239. The next prime is 879055100257. The reversal of 879055100240 is 42001550978.

It can be written as a sum of positive squares in 4 ways, for example, as 536567970064 + 342487130176 = 732508^2 + 585224^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 23973359 + ... + 24009998.

It is an arithmetic number, because the mean of its divisors is an integer number (51318201381).

Almost surely, 2^879055100240 is an apocalyptic number.

879055100240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

879055100240 is an abundant number, since it is smaller than the sum of its proper divisors (1173672955000).

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

879055100240 is a wasteful number, since it uses less digits than its factorization.

879055100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47983599 (or 47983593 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 879055100240 in words is "eight hundred seventy-nine billion, fifty-five million, one hundred thousand, two hundred forty".