44023130840 has 64 divisors (see below), whose sum is σ = 108479498400. Its totient is φ = 15979180032.

The previous prime is 44023130831. The next prime is 44023130843. The reversal of 44023130840 is 4803132044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44023130843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686777 + ... + 748136.

Almost surely, 2^44023130840 is an apocalyptic number.

44023130840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44023130840 is an abundant number, since it is smaller than the sum of its proper divisors (64456367560).

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

44023130840 is a wasteful number, since it uses less digits than its factorization.

44023130840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434996 (or 1434992 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 44023130840 its reverse (4803132044), we get a palindrome (48826262884).

The spelling of 44023130840 in words is "forty-four billion, twenty-three million, one hundred thirty thousand, eight hundred forty".