38807858042 has 4 divisors (see below), whose sum is σ = 58211787066. Its totient is φ = 19403929020.

The previous prime is 38807857951. The next prime is 38807858053. The reversal of 38807858042 is 24085870883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24085870883 = 281 ⋅85714843.

It can be written as a sum of positive squares in only one way, i.e., 28083391561 + 10724466481 = 167581^2 + 103559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9701964509 + ... + 9701964512.

Almost surely, 2^38807858042 is an apocalyptic number.

38807858042 is a deficient number, since it is larger than the sum of its proper divisors (19403929024).

38807858042 is a wasteful number, since it uses less digits than its factorization.

38807858042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403929023.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 38807858042 in words is "thirty-eight billion, eight hundred seven million, eight hundred fifty-eight thousand, forty-two".