2523442578 has 16 divisors (see below), whose sum is σ = 5069519616. Its totient is φ = 837375120.

The previous prime is 2523442561. The next prime is 2523442601. The reversal of 2523442578 is 8752443252.

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, 941653 + ... + 944328.

It is an arithmetic number, because the mean of its divisors is an integer number (316844976).

Almost surely, 2^2523442578 is an apocalyptic number.

2523442578 is an abundant number, since it is smaller than the sum of its proper divisors (2546077038).

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

2523442578 is a wasteful number, since it uses less digits than its factorization.

2523442578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886209.

The product of its digits is 537600, while the sum is 42.

The square root of 2523442578 is about 50233.8787871293. The cubic root of 2523442578 is about 1361.4378136553.

The spelling of 2523442578 in words is "two billion, five hundred twenty-three million, four hundred forty-two thousand, five hundred seventy-eight".