2938456720 has 40 divisors (see below), whose sum is σ = 6851331576. Its totient is φ = 1172041728.

The previous prime is 2938456669. The next prime is 2938456733. The reversal of 2938456720 is 276548392.

It can be written as a sum of positive squares in 4 ways, for example, as 495329536 + 2443127184 = 22256^2 + 49428^2 .

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

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, 23787 + ... + 80266.

Almost surely, 2^2938456720 is an apocalyptic number.

2938456720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2938456720 is an abundant number, since it is smaller than the sum of its proper divisors (3912874856).

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

2938456720 is a wasteful number, since it uses less digits than its factorization.

2938456720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104419 (or 104413 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 2938456720 is about 54207.5337937449. The cubic root of 2938456720 is about 1432.3190434851.

The spelling of 2938456720 in words is "two billion, nine hundred thirty-eight million, four hundred fifty-six thousand, seven hundred twenty".