2388925442838 has 48 divisors (see below), whose sum is σ = 5299868130480. Its totient is φ = 717275338560.

The previous prime is 2388925442819. The next prime is 2388925442909. The reversal of 2388925442838 is 8382445298832.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15015045 + ... + 15173312.

It is an arithmetic number, because the mean of its divisors is an integer number (110413919385).

Almost surely, 2^{2388925442838} is an apocalyptic number.

2388925442838 is an abundant number, since it is smaller than the sum of its proper divisors (2910942687642).

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

2388925442838 is a wasteful number, since it uses less digits than its factorization.

2388925442838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30188493 (or 30188482 counting only the distinct ones).

The product of its digits is 212336640, while the sum is 66.

The spelling of 2388925442838 in words is "two trillion, three hundred eighty-eight billion, nine hundred twenty-five million, four hundred forty-two thousand, eight hundred thirty-eight".