2879879940 has 288 divisors, whose sum is σ = 10516746240. Its totient is φ = 652313088.

The previous prime is 2879879939. The next prime is 2879879957. The reversal of 2879879940 is 499789782.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3359992 + ... + 3360848.

It is an arithmetic number, because the mean of its divisors is an integer number (36516480).

Almost surely, 2^2879879940 is an apocalyptic number.

2879879940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2879879940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5258373120).

2879879940 is an abundant number, since it is smaller than the sum of its proper divisors (7636866300).

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

2879879940 is a wasteful number, since it uses less digits than its factorization.

2879879940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 2879879940 is about 53664.5128553311. The cubic root of 2879879940 is about 1422.7375511227.

The spelling of 2879879940 in words is "two billion, eight hundred seventy-nine million, eight hundred seventy-nine thousand, nine hundred forty".