38238457007 has 64 divisors (see below), whose sum is σ = 43574630400. Its totient is φ = 33418344960.

The previous prime is 38238456989. The next prime is 38238457063. The reversal of 38238457007 is 70075483283.

38238457007 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 38238457007 - 2⁶ = 38238456943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38238457067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243556973 + ... + 243557129.

It is an arithmetic number, because the mean of its divisors is an integer number (680853600).

Almost surely, 2^38238457007 is an apocalyptic number.

38238457007 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38238457007 is a deficient number, since it is larger than the sum of its proper divisors (5336173393).

38238457007 is a wasteful number, since it uses less digits than its factorization.

38238457007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 38238457007 in words is "thirty-eight billion, two hundred thirty-eight million, four hundred fifty-seven thousand, seven".