38681501550 has 48 divisors (see below), whose sum is σ = 95963857920. Its totient is φ = 10311439840.

The previous prime is 38681501543. The next prime is 38681501561. The reversal of 38681501550 is 5510518683.

38681501550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 396979 + ... + 484721.

It is an arithmetic number, because the mean of its divisors is an integer number (1999247040).

Almost surely, 2^38681501550 is an apocalyptic number.

38681501550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38681501550 is an abundant number, since it is smaller than the sum of its proper divisors (57282356370).

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

38681501550 is a wasteful number, since it uses less digits than its factorization.

38681501550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90697 (or 90692 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 38681501550 in words is "thirty-eight billion, six hundred eighty-one million, five hundred one thousand, five hundred fifty".