44457301812 has 192 divisors, whose sum is σ = 130702860288. Its totient is φ = 11425536000.

The previous prime is 44457301807. The next prime is 44457301871. The reversal of 44457301812 is 21810375444.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 40305253 + ... + 40306355.

It is an arithmetic number, because the mean of its divisors is an integer number (680744064).

Almost surely, 2^44457301812 is an apocalyptic number.

44457301812 is a gapful number since it is divisible by the number (42) 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 44457301812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65351430144).

44457301812 is an abundant number, since it is smaller than the sum of its proper divisors (86245558476).

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

44457301812 is a wasteful number, since it uses less digits than its factorization.

44457301812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 44457301812 in words is "forty-four billion, four hundred fifty-seven million, three hundred one thousand, eight hundred twelve".