44257047570 has 128 divisors (see below), whose sum is σ = 122507873280. Its totient is φ = 11361219840.

The previous prime is 44257047553. The next prime is 44257047589. The reversal of 44257047570 is 7574075244.

44257047570 is a `hidden beast` number, since 4 + 4 + 2 + 5 + 70 + 4 + 7 + 570 = 666.

44257047570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44257047570² (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 63 ways as a sum of consecutive naturals, for example, 745504 + ... + 802676.

It is an arithmetic number, because the mean of its divisors is an integer number (957092760).

Almost surely, 2^44257047570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44257047570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61253936640).

44257047570 is an abundant number, since it is smaller than the sum of its proper divisors (78250825710).

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

44257047570 is a wasteful number, since it uses less digits than its factorization.

44257047570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57297 (or 57291 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 45.

The spelling of 44257047570 in words is "forty-four billion, two hundred fifty-seven million, forty-seven thousand, five hundred seventy".