44866881 has 6 divisors (see below), whose sum is σ = 64807730. Its totient is φ = 29911248.

The previous prime is 44866879. The next prime is 44866883. The reversal of 44866881 is 18866844.

It is an interprime number because it is at equal distance from previous prime (44866879) and next prime (44866883).

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 14561856 = 5505^2 + 3816^2 .

It is not a de Polignac number, because 44866881 - 2¹ = 44866879 is a prime.

It is a super-2 number, since 2×44866881² = 4026074021336322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44866883) 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, 2492596 + ... + 2492613.

Almost surely, 2^44866881 is an apocalyptic number.

It is an amenable number.

44866881 is a deficient number, since it is larger than the sum of its proper divisors (19940849).

44866881 is a wasteful number, since it uses less digits than its factorization.

44866881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985215 (or 4985212 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 44866881 is about 6698.2744792969. The cubic root of 44866881 is about 355.3382506406.

The spelling of 44866881 in words is "forty-four million, eight hundred sixty-six thousand, eight hundred eighty-one".