38313511390 has 96 divisors (see below), whose sum is σ = 87015579840. Its totient is φ = 11889123840.

The previous prime is 38313511387. The next prime is 38313511409. The reversal of 38313511390 is 9311531383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1929754 + ... + 1949506.

It is an arithmetic number, because the mean of its divisors is an integer number (906412290).

Almost surely, 2^38313511390 is an apocalyptic number.

38313511390 is an abundant number, since it is smaller than the sum of its proper divisors (48702068450).

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

38313511390 is a wasteful number, since it uses less digits than its factorization.

38313511390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20018 (or 20007 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 38313511390 in words is "thirty-eight billion, three hundred thirteen million, five hundred eleven thousand, three hundred ninety".