38925821672418 has 64 divisors (see below), whose sum is σ = 82580843952000. Its totient is φ = 12213427215360.

The previous prime is 38925821672377. The next prime is 38925821672429. The reversal of 38925821672418 is 81427612852983.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15028068 + ... + 17426831.

It is an arithmetic number, because the mean of its divisors is an integer number (1290325686750).

Almost surely, 2^{38925821672418} is an apocalyptic number.

38925821672418 is an abundant number, since it is smaller than the sum of its proper divisors (43655022279582).

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

38925821672418 is a wasteful number, since it uses less digits than its factorization.

38925821672418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32455107.

The product of its digits is 92897280, while the sum is 66.

The spelling of 38925821672418 in words is "thirty-eight trillion, nine hundred twenty-five billion, eight hundred twenty-one million, six hundred seventy-two thousand, four hundred eighteen".