3123879040 has 32 divisors (see below), whose sum is σ = 7468024860. Its totient is φ = 1249551360.

The previous prime is 3123879029. The next prime is 3123879041. The reversal of 3123879040 is 409783213.

It can be written as a sum of positive squares in 2 ways, for example, as 3092249664 + 31629376 = 55608^2 + 5624^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (3123879041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439891 + ... + 2441170.

Almost surely, 2^3123879040 is an apocalyptic number.

It is an amenable number.

3123879040 is an abundant number, since it is smaller than the sum of its proper divisors (4344145820).

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

3123879040 is an equidigital number, since it uses as much as digits as its factorization.

3123879040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881080 (or 4881068 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3123879040 is about 55891.6723671783. The cubic root of 3123879040 is about 1461.8340371643.

The spelling of 3123879040 in words is "three billion, one hundred twenty-three million, eight hundred seventy-nine thousand, forty".