44240391556 has 9 divisors (see below), whose sum is σ = 77421421399. Its totient is φ = 22119985444.

The previous prime is 44240391551. The next prime is 44240391577. The reversal of 44240391556 is 65519304244.

The square root of 44240391556 is 210334.

It is a perfect power (a square), and thus also a powerful number.

44240391556 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 2×44240391556² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44240391551) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 368085 + ... + 473251.

Almost surely, 2^44240391556 is an apocalyptic number.

44240391556 is the 210334-th square number.

It is an amenable number.

44240391556 is a deficient number, since it is larger than the sum of its proper divisors (33181029843).

44240391556 is an frugal number, since it uses more digits than its factorization.

44240391556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210338 (or 105169 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 44240391556 in words is "forty-four billion, two hundred forty million, three hundred ninety-one thousand, five hundred fifty-six".