44520812 has 18 divisors (see below), whose sum is σ = 90632052. Its totient is φ = 19080264.

The previous prime is 44520811. The next prime is 44520851. The reversal of 44520812 is 21802544.

It is a happy number.

It is a super-2 number, since 2×44520812² = 3964205402278688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44520811) 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, 113378 + ... + 113769.

It is an arithmetic number, because the mean of its divisors is an integer number (5035114).

Almost surely, 2^44520812 is an apocalyptic number.

It is an amenable number.

44520812 is an abundant number, since it is smaller than the sum of its proper divisors (46111240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44520812 is a wasteful number, since it uses less digits than its factorization.

44520812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227165 (or 227156 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 44520812 is about 6672.3917750684. The cubic root of 44520812 is about 354.4222885632.

The spelling of 44520812 in words is "forty-four million, five hundred twenty thousand, eight hundred twelve".