2523400044 has 24 divisors (see below), whose sum is σ = 6423200448. Its totient is φ = 764666640.

The previous prime is 2523400043. The next prime is 2523400057. The reversal of 2523400044 is 4400043252.

It is a junction number, because it is equal to n+sod(n) for n = 2523399987 and 2523400023.

It is not an unprimeable number, because it can be changed into a prime (2523400043) 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, 9558202 + ... + 9558465.

It is an arithmetic number, because the mean of its divisors is an integer number (267633352).

Almost surely, 2^2523400044 is an apocalyptic number.

It is an amenable number.

2523400044 is an abundant number, since it is smaller than the sum of its proper divisors (3899800404).

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

2523400044 is a wasteful number, since it uses less digits than its factorization.

2523400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116685 (or 19116683 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2523400044 is about 50233.4554256424. The cubic root of 2523400044 is about 1361.4301643535.

Adding to 2523400044 its reverse (4400043252), we get a palindrome (6923443296).

The spelling of 2523400044 in words is "two billion, five hundred twenty-three million, four hundred thousand, forty-four".