8138038552 has 32 divisors (see below), whose sum is σ = 17454827520. Its totient is φ = 3484496160.

The previous prime is 8138038543. The next prime is 8138038589. The reversal of 8138038552 is 2558308318.

It is a junction number, because it is equal to n+sod(n) for n = 8138038499 and 8138038508.

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, 5974 + ... + 127717.

It is an arithmetic number, because the mean of its divisors is an integer number (545463360).

Almost surely, 2^8138038552 is an apocalyptic number.

It is an amenable number.

8138038552 is an abundant number, since it is smaller than the sum of its proper divisors (9316788968).

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

8138038552 is a wasteful number, since it uses less digits than its factorization.

8138038552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134791 (or 134787 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 8138038552 is about 90211.0777676445. The cubic root of 8138038552 is about 2011.4376777404.

The spelling of 8138038552 in words is "eight billion, one hundred thirty-eight million, thirty-eight thousand, five hundred fifty-two".