44121607280 has 40 divisors (see below), whose sum is σ = 102702318000. Its totient is φ = 17628069888.

The previous prime is 44121607279. The next prime is 44121607291. The reversal of 44121607280 is 8270612144.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 44121607280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252305 + ... + 389744.

It is an arithmetic number, because the mean of its divisors is an integer number (2567557950).

Almost surely, 2^44121607280 is an apocalyptic number.

44121607280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44121607280 is an abundant number, since it is smaller than the sum of its proper divisors (58580710720).

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

44121607280 is a wasteful number, since it uses less digits than its factorization.

44121607280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642921 (or 642915 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 44121607280 in words is "forty-four billion, one hundred twenty-one million, six hundred seven thousand, two hundred eighty".