44622440 has 16 divisors (see below), whose sum is σ = 100400580. Its totient is φ = 17848960.

The previous prime is 44622419. The next prime is 44622443. The reversal of 44622440 is 4422644.

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 4502884 = 6334^2 + 2122^2 .

It is not an unprimeable number, because it can be changed into a prime (44622443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557741 + ... + 557820.

Almost surely, 2^44622440 is an apocalyptic number.

44622440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44622440 is an abundant number, since it is smaller than the sum of its proper divisors (55778140).

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

44622440 is a wasteful number, since it uses less digits than its factorization.

44622440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115572 (or 1115568 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 44622440 is about 6680.0029940113. The cubic root of 44622440 is about 354.6917644503.

The spelling of 44622440 in words is "forty-four million, six hundred twenty-two thousand, four hundred forty".