2587438438 has 32 divisors (see below), whose sum is σ = 4245696000. Its totient is φ = 1175471616.

The previous prime is 2587438421. The next prime is 2587438457. The reversal of 2587438438 is 8348347852.

It is a happy number.

2587438438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536763 + ... + 541561.

It is an arithmetic number, because the mean of its divisors is an integer number (132678000).

Almost surely, 2^2587438438 is an apocalyptic number.

2587438438 is a deficient number, since it is larger than the sum of its proper divisors (1658257562).

2587438438 is a wasteful number, since it uses less digits than its factorization.

2587438438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136.

The product of its digits is 5160960, while the sum is 52.

The square root of 2587438438 is about 50866.8697483932. The cubic root of 2587438438 is about 1372.8508023084.

The spelling of 2587438438 in words is "two billion, five hundred eighty-seven million, four hundred thirty-eight thousand, four hundred thirty-eight".