2740079920 has 20 divisors (see below), whose sum is σ = 6370686000. Its totient is φ = 1096031936.

The previous prime is 2740079891. The next prime is 2740079929. The reversal of 2740079920 is 299700472.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2740079929) 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, 17125420 + ... + 17125579.

It is an arithmetic number, because the mean of its divisors is an integer number (318534300).

Almost surely, 2^2740079920 is an apocalyptic number.

2740079920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2740079920 is an abundant number, since it is smaller than the sum of its proper divisors (3630606080).

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

2740079920 is a wasteful number, since it uses less digits than its factorization.

2740079920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34251012 (or 34251006 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 2740079920 is about 52345.7727042022. The cubic root of 2740079920 is about 1399.3330020024. Note that the first 3 decimals are identical.

The spelling of 2740079920 in words is "two billion, seven hundred forty million, seventy-nine thousand, nine hundred twenty".