38537797390 has 16 divisors (see below), whose sum is σ = 69370535808. Its totient is φ = 15414563296.

The previous prime is 38537797381. The next prime is 38537797411. The reversal of 38537797390 is 9379773583.

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, 332724 + ... + 433336.

It is an arithmetic number, because the mean of its divisors is an integer number (4335658488).

Almost surely, 2^38537797390 is an apocalyptic number.

38537797390 is a deficient number, since it is larger than the sum of its proper divisors (30832738418).

38537797390 is a wasteful number, since it uses less digits than its factorization.

38537797390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138923.

The product of its (nonzero) digits is 30005640, while the sum is 61.

The spelling of 38537797390 in words is "thirty-eight billion, five hundred thirty-seven million, seven hundred ninety-seven thousand, three hundred ninety".