38244206457 has 20 divisors (see below), whose sum is σ = 57289415040. Its totient is φ = 25425098424.

The previous prime is 38244206423. The next prime is 38244206467. The reversal of 38244206457 is 75460244283.

It is a happy number.

38244206457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38244206457 - 2¹¹ = 38244204409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38244206467) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 628513 + ... + 686670.

It is an arithmetic number, because the mean of its divisors is an integer number (2864470752).

Almost surely, 2^38244206457 is an apocalyptic number.

It is an amenable number.

38244206457 is a deficient number, since it is larger than the sum of its proper divisors (19045208583).

38244206457 is a wasteful number, since it uses less digits than its factorization.

38244206457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315554 (or 1315545 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 38244206457 in words is "thirty-eight billion, two hundred forty-four million, two hundred six thousand, four hundred fifty-seven".