44616881 has 2 divisors, whose sum is σ = 44616882. Its totient is φ = 44616880.

The previous prime is 44616833. The next prime is 44616893. The reversal of 44616881 is 18861644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31360000 + 13256881 = 5600^2 + 3641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44616881 is a prime.

It is a super-2 number, since 2×44616881² = 3981332140336322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44616821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22308440 + 22308441.

It is an arithmetic number, because the mean of its divisors is an integer number (22308441).

Almost surely, 2^44616881 is an apocalyptic number.

It is an amenable number.

44616881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44616881 is an equidigital number, since it uses as much as digits as its factorization.

44616881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 38.

The square root of 44616881 is about 6679.5868884236. The cubic root of 44616881 is about 354.6770348404.

The spelling of 44616881 in words is "forty-four million, six hundred sixteen thousand, eight hundred eighty-one".