38750267640 has 64 divisors (see below), whose sum is σ = 132858063360. Its totient is φ = 8857203840.

The previous prime is 38750267617. The next prime is 38750267663. The reversal of 38750267640 is 4676205783.

It is an interprime number because it is at equal distance from previous prime (38750267617) and next prime (38750267663).

It is a self number, because there is not a number n which added to its sum of digits gives 38750267640.

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, 23064796 + ... + 23066475.

It is an arithmetic number, because the mean of its divisors is an integer number (2075907240).

Almost surely, 2^38750267640 is an apocalyptic number.

38750267640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38750267640 is an abundant number, since it is smaller than the sum of its proper divisors (94107795720).

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

38750267640 is a wasteful number, since it uses less digits than its factorization.

38750267640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46131292 (or 46131288 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 38750267640 in words is "thirty-eight billion, seven hundred fifty million, two hundred sixty-seven thousand, six hundred forty".