44105257720 has 64 divisors (see below), whose sum is σ = 100314339840. Its totient is φ = 17450880000.

The previous prime is 44105257711. The next prime is 44105257771. The reversal of 44105257720 is 2775250144.

It is a self number, because there is not a number n which added to its sum of digits gives 44105257720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815145 + ... + 4824295.

It is an arithmetic number, because the mean of its divisors is an integer number (1567411560).

Almost surely, 2^44105257720 is an apocalyptic number.

44105257720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44105257720 is an abundant number, since it is smaller than the sum of its proper divisors (56209082120).

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

44105257720 is a wasteful number, since it uses less digits than its factorization.

44105257720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456 (or 10452 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The spelling of 44105257720 in words is "forty-four billion, one hundred five million, two hundred fifty-seven thousand, seven hundred twenty".