44906271921 has 27 divisors (see below), whose sum is σ = 75462234393. Its totient is φ = 25658183880.

The previous prime is 44906271911. The next prime is 44906271941. The reversal of 44906271921 is 12917260944.

The square root of 44906271921 is 211911.

It is a perfect power (a square), and thus also a powerful number.

44906271921 is a `hidden beast` number, since 4 + 4 + 9 + 0 + 627 + 19 + 2 + 1 = 666.

It is not a de Polignac number, because 44906271921 - 2⁷ = 44906271793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44906271911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4445086 + ... + 4455176.

Almost surely, 2^44906271921 is an apocalyptic number.

44906271921 is the 211911-st square number.

44906271921 is the 105956-th centered octagonal number.

It is an amenable number.

44906271921 is a deficient number, since it is larger than the sum of its proper divisors (30555962472).

44906271921 is an frugal number, since it uses more digits than its factorization.

44906271921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202 (or 10101 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 44906271921 in words is "forty-four billion, nine hundred six million, two hundred seventy-one thousand, nine hundred twenty-one".