2538879380 has 24 divisors (see below), whose sum is σ = 5563458432. Its totient is φ = 971397152.

The previous prime is 2538879379. The next prime is 2538879397. The reversal of 2538879380 is 839788352.

It is a congruent number.

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, 2759192 + ... + 2760111.

It is an arithmetic number, because the mean of its divisors is an integer number (231810768).

Almost surely, 2^2538879380 is an apocalyptic number.

2538879380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538879380 is an abundant number, since it is smaller than the sum of its proper divisors (3024579052).

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

2538879380 is a wasteful number, since it uses less digits than its factorization.

2538879380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519335 (or 5519333 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 2538879380 is about 50387.2938348548. The cubic root of 2538879380 is about 1364.2083061780.

The spelling of 2538879380 in words is "two billion, five hundred thirty-eight million, eight hundred seventy-nine thousand, three hundred eighty".