44640441 has 6 divisors (see below), whose sum is σ = 64480650. Its totient is φ = 29760288.

The previous prime is 44640413. The next prime is 44640457. The reversal of 44640441 is 14404644.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 484416 = 6645^2 + 696^2 .

It is not a de Polignac number, because 44640441 - 2⁶ = 44640377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44640461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2480016 + ... + 2480033.

It is an arithmetic number, because the mean of its divisors is an integer number (10746775).

Almost surely, 2^44640441 is an apocalyptic number.

It is an amenable number.

44640441 is a deficient number, since it is larger than the sum of its proper divisors (19840209).

44640441 is a wasteful number, since it uses less digits than its factorization.

44640441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960055 (or 4960052 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 44640441 is about 6681.3502377888. The cubic root of 44640441 is about 354.7394530728.

The spelling of 44640441 in words is "forty-four million, six hundred forty thousand, four hundred forty-one".