44440044040 has 32 divisors (see below), whose sum is σ = 114274399680. Its totient is φ = 15236586432.

The previous prime is 44440044031. The next prime is 44440044059. The reversal of 44440044040 is 4044004444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79356942 + ... + 79357501.

It is an arithmetic number, because the mean of its divisors is an integer number (3571074990).

Almost surely, 2^44440044040 is an apocalyptic number.

44440044040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44440044040 is an abundant number, since it is smaller than the sum of its proper divisors (69834355640).

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

44440044040 is a wasteful number, since it uses less digits than its factorization.

44440044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158714461 (or 158714457 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44440044040 its reverse (4044004444), we get a palindrome (48484048484).

The spelling of 44440044040 in words is "forty-four billion, four hundred forty million, forty-four thousand, forty".