44718221402157 has 16 divisors (see below), whose sum is σ = 59970045582720. Its totient is φ = 29639362161600.

The previous prime is 44718221402131. The next prime is 44718221402167. The reversal of 44718221402157 is 75120412281744.

It is not a de Polignac number, because 44718221402157 - 2²³ = 44718213013549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44718221402167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9223482 + ... + 13210187.

It is an arithmetic number, because the mean of its divisors is an integer number (3748127848920).

Almost surely, 2^{44718221402157} is an apocalyptic number.

It is an amenable number.

44718221402157 is a deficient number, since it is larger than the sum of its proper divisors (15251824180563).

44718221402157 is a wasteful number, since it uses less digits than its factorization.

44718221402157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22437524.

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 44718221402157 in words is "forty-four trillion, seven hundred eighteen billion, two hundred twenty-one million, four hundred two thousand, one hundred fifty-seven".