44145004140 has 72 divisors (see below), whose sum is σ = 137525628240. Its totient is φ = 11453837184.

The previous prime is 44145004139. The next prime is 44145004147. The reversal of 44145004140 is 4140054144.

44145004140 is a `hidden beast` number, since 4 + 4 + 14 + 500 + 4 + 140 = 666.

It is not an unprimeable number, because it can be changed into a prime (44145004147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3307530 + ... + 3320849.

It is an arithmetic number, because the mean of its divisors is an integer number (1910078170).

Almost surely, 2^44145004140 is an apocalyptic number.

It is an amenable number.

44145004140 is an abundant number, since it is smaller than the sum of its proper divisors (93380624100).

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

44145004140 is a wasteful number, since it uses less digits than its factorization.

44145004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628431 (or 6628426 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 44145004140 its reverse (4140054144), we get a palindrome (48285058284).

The spelling of 44145004140 in words is "forty-four billion, one hundred forty-five million, four thousand, one hundred forty".