2138624508 has 48 divisors (see below), whose sum is σ = 5031161856. Its totient is φ = 707036160.

The previous prime is 2138624489. The next prime is 2138624519. The reversal of 2138624508 is 8054268312.

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, 885823 + ... + 888233.

It is an arithmetic number, because the mean of its divisors is an integer number (104815872).

Almost surely, 2^2138624508 is an apocalyptic number.

It is an amenable number.

2138624508 is an abundant number, since it is smaller than the sum of its proper divisors (2892537348).

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

2138624508 is a wasteful number, since it uses less digits than its factorization.

2138624508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2138624508 is about 46245.2647089407. The cubic root of 2138624508 is about 1288.3825868263.

The spelling of 2138624508 in words is "two billion, one hundred thirty-eight million, six hundred twenty-four thousand, five hundred eight".