44145261413 has 32 divisors (see below), whose sum is σ = 50137581312. Its totient is φ = 38519769600.

The previous prime is 44145261389. The next prime is 44145261427. The reversal of 44145261413 is 31416254144.

44145261413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44145261413 - 2²² = 44141067109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145261443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7290095 + ... + 7296147.

It is an arithmetic number, because the mean of its divisors is an integer number (1566799416).

Almost surely, 2^44145261413 is an apocalyptic number.

It is an amenable number.

44145261413 is a deficient number, since it is larger than the sum of its proper divisors (5992319899).

44145261413 is a wasteful number, since it uses less digits than its factorization.

44145261413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365.

The product of its digits is 46080, while the sum is 35.

The spelling of 44145261413 in words is "forty-four billion, one hundred forty-five million, two hundred sixty-one thousand, four hundred thirteen".