38749370780 has 12 divisors (see below), whose sum is σ = 81373678680. Its totient is φ = 15499748304.

The previous prime is 38749370741. The next prime is 38749370797. The reversal of 38749370780 is 8707394783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968734250 + ... + 968734289.

It is an arithmetic number, because the mean of its divisors is an integer number (6781139890).

Almost surely, 2^38749370780 is an apocalyptic number.

It is an amenable number.

38749370780 is an abundant number, since it is smaller than the sum of its proper divisors (42624307900).

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

38749370780 is a wasteful number, since it uses less digits than its factorization.

38749370780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937468548 (or 1937468546 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 38749370780 in words is "thirty-eight billion, seven hundred forty-nine million, three hundred seventy thousand, seven hundred eighty".