44287372080 has 720 divisors, whose sum is σ = 188942906880. Its totient is φ = 9586128384.

The previous prime is 44287372049. The next prime is 44287372097. The reversal of 44287372080 is 8027378244.

44287372080 is a `hidden beast` number, since 442 + 87 + 37 + 20 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×44287372080² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18097417 + ... + 18099863.

It is an arithmetic number, because the mean of its divisors is an integer number (262420704).

Almost surely, 2^44287372080 is an apocalyptic number.

44287372080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44287372080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94471453440).

44287372080 is an abundant number, since it is smaller than the sum of its proper divisors (144655534800).

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

44287372080 is a wasteful number, since it uses less digits than its factorization.

44287372080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 44287372080 in words is "forty-four billion, two hundred eighty-seven million, three hundred seventy-two thousand, eighty".