2400902128 has 40 divisors (see below), whose sum is σ = 4756624128. Its totient is φ = 1173450432.

The previous prime is 2400902123. The next prime is 2400902171. The reversal of 2400902128 is 8212090042.

It is a junction number, because it is equal to n+sod(n) for n = 2400902096 and 2400902105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400902123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843075 + ... + 845917.

Almost surely, 2^2400902128 is an apocalyptic number.

It is an amenable number.

2400902128 is a deficient number, since it is larger than the sum of its proper divisors (2355722000).

2400902128 is a wasteful number, since it uses less digits than its factorization.

2400902128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021 (or 4015 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2400902128 is about 48999.0012959448. The cubic root of 2400902128 is about 1339.0336330967.

The spelling of 2400902128 in words is "two billion, four hundred million, nine hundred two thousand, one hundred twenty-eight".