38138506276 has 48 divisors (see below), whose sum is σ = 78100072960. Its totient is φ = 16137999360.

The previous prime is 38138506253. The next prime is 38138506349. The reversal of 38138506276 is 67260583183.

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, 591981 + ... + 653236.

Almost surely, 2^38138506276 is an apocalyptic number.

It is an amenable number.

38138506276 is an abundant number, since it is smaller than the sum of its proper divisors (39961566684).

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

38138506276 is a wasteful number, since it uses less digits than its factorization.

38138506276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245284 (or 1245282 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 38138506276 in words is "thirty-eight billion, one hundred thirty-eight million, five hundred six thousand, two hundred seventy-six".