44942881 has 2 divisors, whose sum is σ = 44942882. Its totient is φ = 44942880.

The previous prime is 44942867. The next prime is 44942893. The reversal of 44942881 is 18824944.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 2692881 = 6500^2 + 1641^2 .

It is a cyclic number.

It is not a de Polignac number, because 44942881 - 2²⁵ = 11388449 is a prime.

It is a super-2 number, since 2×44942881² = 4039725105160322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44942831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22471440 + 22471441.

It is an arithmetic number, because the mean of its divisors is an integer number (22471441).

Almost surely, 2^44942881 is an apocalyptic number.

It is an amenable number.

44942881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44942881 is an equidigital number, since it uses as much as digits as its factorization.

44942881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 40.

The square root of 44942881 is about 6703.9451817568. The cubic root of 44942881 is about 355.5387732566.

The spelling of 44942881 in words is "forty-four million, nine hundred forty-two thousand, eight hundred eighty-one".