2940403920 has 80 divisors (see below), whose sum is σ = 9120463872. Its totient is φ = 783659520.

The previous prime is 2940403897. The next prime is 2940403967. The reversal of 2940403920 is 293040492.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812034 + ... + 815646.

Almost surely, 2^2940403920 is an apocalyptic number.

2940403920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2940403920 is an abundant number, since it is smaller than the sum of its proper divisors (6180059952).

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

2940403920 is a wasteful number, since it uses less digits than its factorization.

2940403920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020 (or 7014 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2940403920 is about 54225.4914223928. The cubic root of 2940403920 is about 1432.6353541745.

The spelling of 2940403920 in words is "two billion, nine hundred forty million, four hundred three thousand, nine hundred twenty".