38831539142 has 16 divisors (see below), whose sum is σ = 66886862400. Its totient is φ = 16721715240.

The previous prime is 38831539141. The next prime is 38831539169. The reversal of 38831539142 is 24193513883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38831539141) 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, 46448792 + ... + 46449627.

It is an arithmetic number, because the mean of its divisors is an integer number (4180428900).

Almost surely, 2^38831539142 is an apocalyptic number.

38831539142 is a deficient number, since it is larger than the sum of its proper divisors (28055323258).

38831539142 is a wasteful number, since it uses less digits than its factorization.

38831539142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92898451.

The product of its digits is 622080, while the sum is 47.

The spelling of 38831539142 in words is "thirty-eight billion, eight hundred thirty-one million, five hundred thirty-nine thousand, one hundred forty-two".