38388061331742 has 16 divisors (see below), whose sum is σ = 80816971224960. Its totient is φ = 12122545683672.

The previous prime is 38388061331731. The next prime is 38388061331749. The reversal of 38388061331742 is 24713316088383.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388061331749) 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, 168368689938 + ... + 168368690165.

It is an arithmetic number, because the mean of its divisors is an integer number (5051060701560).

Almost surely, 2^{38388061331742} is an apocalyptic number.

38388061331742 is an abundant number, since it is smaller than the sum of its proper divisors (42428909893218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38388061331742 is a wasteful number, since it uses less digits than its factorization.

38388061331742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336737380127.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 38388061331742 in words is "thirty-eight trillion, three hundred eighty-eight billion, sixty-one million, three hundred thirty-one thousand, seven hundred forty-two".