38746112427728 has 40 divisors (see below), whose sum is σ = 79827654004488. Its totient is φ = 18155209428992.

The previous prime is 38746112427721. The next prime is 38746112427731. The reversal of 38746112427728 is 82772421164783.

It can be written as a sum of positive squares in 4 ways, for example, as 407130772624 + 38338981655104 = 638068^2 + 6191848^2 .

It is a super-2 number, since 2×38746112427728² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38746112427721) 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, 305621051 + ... + 305747802.

Almost surely, 2^{38746112427728} is an apocalyptic number.

It is an amenable number.

38746112427728 is an abundant number, since it is smaller than the sum of its proper divisors (41081541576760).

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

38746112427728 is a wasteful number, since it uses less digits than its factorization.

38746112427728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611369111 (or 611369105 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 62.

The spelling of 38746112427728 in words is "thirty-eight trillion, seven hundred forty-six billion, one hundred twelve million, four hundred twenty-seven thousand, seven hundred twenty-eight".