38402023724 has 24 divisors (see below), whose sum is σ = 71259754608. Its totient is φ = 18045365760.

The previous prime is 38402023703. The next prime is 38402023727. The reversal of 38402023724 is 42732020483.

It is not an unprimeable number, because it can be changed into a prime (38402023727) 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, 361649 + ... + 455624.

It is an arithmetic number, because the mean of its divisors is an integer number (2969156442).

Almost surely, 2^38402023724 is an apocalyptic number.

38402023724 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38402023724 is a deficient number, since it is larger than the sum of its proper divisors (32857730884).

38402023724 is a wasteful number, since it uses less digits than its factorization.

38402023724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817985 (or 817983 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 38402023724 in words is "thirty-eight billion, four hundred two million, twenty-three thousand, seven hundred twenty-four".