44440022040 has 64 divisors (see below), whose sum is σ = 133791264000. Its totient is φ = 11808788352.

The previous prime is 44440022027. The next prime is 44440022041. The reversal of 44440022040 is 4022004444.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 44440022040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440022041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620340 + ... + 688259.

It is an arithmetic number, because the mean of its divisors is an integer number (2090488500).

Almost surely, 2^44440022040 is an apocalyptic number.

44440022040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44440022040 is an abundant number, since it is smaller than the sum of its proper divisors (89351241960).

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

44440022040 is a wasteful number, since it uses less digits than its factorization.

44440022040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308896 (or 1308892 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 44440022040 its reverse (4022004444), we get a palindrome (48462026484).

The spelling of 44440022040 in words is "forty-four billion, four hundred forty million, twenty-two thousand, forty".