44131669 has 4 divisors (see below), whose sum is σ = 44964396. Its totient is φ = 43298944.

The previous prime is 44131657. The next prime is 44131697. The reversal of 44131669 is 96613144.

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 27688644 + 16443025 = 5262^2 + 4055^2 .

It is a cyclic number.

It is not a de Polignac number, because 44131669 - 2¹¹ = 44129621 is a prime.

It is a super-2 number, since 2×44131669² = 3895208417451122, which 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 (44131169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416284 + ... + 416389.

It is an arithmetic number, because the mean of its divisors is an integer number (11241099).

Almost surely, 2^44131669 is an apocalyptic number.

It is an amenable number.

44131669 is a deficient number, since it is larger than the sum of its proper divisors (832727).

44131669 is an equidigital number, since it uses as much as digits as its factorization.

44131669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832726.

The product of its digits is 15552, while the sum is 34.

The square root of 44131669 is about 6643.1670910794. The cubic root of 44131669 is about 353.3866324208.

The spelling of 44131669 in words is "forty-four million, one hundred thirty-one thousand, six hundred sixty-nine".