2400357972 has 12 divisors (see below), whose sum is σ = 5600835296. Its totient is φ = 800119320.

The previous prime is 2400357961. The next prime is 2400357977. The reversal of 2400357972 is 2797530042.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2400357972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400357977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100014904 + ... + 100014927.

Almost surely, 2^2400357972 is an apocalyptic number.

It is an amenable number.

2400357972 is an abundant number, since it is smaller than the sum of its proper divisors (3200477324).

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

2400357972 is a wasteful number, since it uses less digits than its factorization.

2400357972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200029838 (or 200029836 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 2400357972 is about 48993.4482558638. The cubic root of 2400357972 is about 1338.9324630362.

The spelling of 2400357972 in words is "two billion, four hundred million, three hundred fifty-seven thousand, nine hundred seventy-two".