44140406677 has 4 divisors (see below), whose sum is σ = 44154829996. Its totient is φ = 44125983360.

The previous prime is 44140406657. The next prime is 44140406753. The reversal of 44140406677 is 77660404144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23499050436 + 20641356241 = 153294^2 + 143671^2 .

It is a cyclic number.

It is not a de Polignac number, because 44140406677 - 2⁷ = 44140406549 is a prime.

It is a super-2 number, since 2×44140406677² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44140406657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7207068 + ... + 7213189.

It is an arithmetic number, because the mean of its divisors is an integer number (11038707499).

Almost surely, 2^44140406677 is an apocalyptic number.

It is an amenable number.

44140406677 is a deficient number, since it is larger than the sum of its proper divisors (14423319).

44140406677 is a wasteful number, since it uses less digits than its factorization.

44140406677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14423318.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 44140406677 in words is "forty-four billion, one hundred forty million, four hundred six thousand, six hundred seventy-seven".