44902081 has 12 divisors (see below), whose sum is σ = 52952772. Its totient is φ = 37957248.

The previous prime is 44902079. The next prime is 44902103. The reversal of 44902081 is 18020944.

It can be written as a sum of positive squares in 2 ways, for example, as 38551681 + 6350400 = 6209^2 + 2520^2 .

It is not a de Polignac number, because 44902081 - 2¹ = 44902079 is a prime.

It is a super-2 number, since 2×44902081² = 4032393756261122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44902001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2700 + ... + 9853.

It is an arithmetic number, because the mean of its divisors is an integer number (4412731).

Almost surely, 2^44902081 is an apocalyptic number.

It is an amenable number.

44902081 is a deficient number, since it is larger than the sum of its proper divisors (8050691).

44902081 is a wasteful number, since it uses less digits than its factorization.

44902081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640 (or 12633 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 44902081 is about 6700.9015065139. The cubic root of 44902081 is about 355.4311524022.

The spelling of 44902081 in words is "forty-four million, nine hundred two thousand, eighty-one".