39228992040021 has 64 divisors (see below), whose sum is σ = 62154060165120. Its totient is φ = 21533412418560.

The previous prime is 39228992040013. The next prime is 39228992040031. The reversal of 39228992040021 is 12004029982293.

39228992040021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39228992040021 - 2³ = 39228992040013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39228992040031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155889726 + ... + 156141168.

It is an arithmetic number, because the mean of its divisors is an integer number (971157190080).

Almost surely, 2^{39228992040021} is an apocalyptic number.

It is an amenable number.

39228992040021 is a deficient number, since it is larger than the sum of its proper divisors (22925068125099).

39228992040021 is a wasteful number, since it uses less digits than its factorization.

39228992040021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252786.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 39228992040021 in words is "thirty-nine trillion, two hundred twenty-eight billion, nine hundred ninety-two million, forty thousand, twenty-one".