44401653420 has 48 divisors (see below), whose sum is σ = 125232131808. Its totient is φ = 11754012160.

The previous prime is 44401653391. The next prime is 44401653421. The reversal of 44401653420 is 2435610444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (44401653421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692611 + ... + 2709050.

It is an arithmetic number, because the mean of its divisors is an integer number (2609002746).

Almost surely, 2^44401653420 is an apocalyptic number.

It is an amenable number.

44401653420 is an abundant number, since it is smaller than the sum of its proper divisors (80830478388).

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

44401653420 is a wasteful number, since it uses less digits than its factorization.

44401653420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401810 (or 5401808 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 44401653420 in words is "forty-four billion, four hundred one million, six hundred fifty-three thousand, four hundred twenty".