38365864724 has 24 divisors (see below), whose sum is σ = 77552391168. Its totient is φ = 16413203840.

The previous prime is 38365864723. The next prime is 38365864787. The reversal of 38365864724 is 42746856383.

It is a self number, because there is not a number n which added to its sum of digits gives 38365864724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38365864723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25644884 + ... + 25646379.

It is an arithmetic number, because the mean of its divisors is an integer number (3231349632).

Almost surely, 2^38365864724 is an apocalyptic number.

38365864724 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38365864724 is an abundant number, since it is smaller than the sum of its proper divisors (39186526444).

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

38365864724 is a wasteful number, since it uses less digits than its factorization.

38365864724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51291295 (or 51291293 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 56.

The spelling of 38365864724 in words is "thirty-eight billion, three hundred sixty-five million, eight hundred sixty-four thousand, seven hundred twenty-four".