44397140340 has 48 divisors (see below), whose sum is σ = 142070850432. Its totient is φ = 10147917696.

The previous prime is 44397140303. The next prime is 44397140369. The reversal of 44397140340 is 4304179344.

It is a super-2 number, since 2×44397140340² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52853319 + ... + 52854158.

It is an arithmetic number, because the mean of its divisors is an integer number (2959809384).

Almost surely, 2^44397140340 is an apocalyptic number.

It is an amenable number.

44397140340 is an abundant number, since it is smaller than the sum of its proper divisors (97673710092).

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

44397140340 is a wasteful number, since it uses less digits than its factorization.

44397140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105707496 (or 105707494 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 44397140340 in words is "forty-four billion, three hundred ninety-seven million, one hundred forty thousand, three hundred forty".