44251845540 has 48 divisors (see below), whose sum is σ = 141605907072. Its totient is φ = 10114707456.

The previous prime is 44251845527. The next prime is 44251845571. The reversal of 44251845540 is 4554815244.

It is a happy number.

44251845540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 44251845492 and 44251845501.

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, 52680349 + ... + 52681188.

It is an arithmetic number, because the mean of its divisors is an integer number (2950123064).

Almost surely, 2^44251845540 is an apocalyptic number.

It is an amenable number.

44251845540 is an abundant number, since it is smaller than the sum of its proper divisors (97354061532).

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

44251845540 is a wasteful number, since it uses less digits than its factorization.

44251845540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105361556 (or 105361554 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 42.

The spelling of 44251845540 in words is "forty-four billion, two hundred fifty-one million, eight hundred forty-five thousand, five hundred forty".