44374686409 has 9 divisors (see below), whose sum is σ = 46837342317. Its totient is φ = 42035384844.

The previous prime is 44374686403. The next prime is 44374686427. The reversal of 44374686409 is 90468647344.

The square root of 44374686409 is 210653.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 44374686409 - 2⁷ = 44374686281 is a prime.

It is a super-2 number, since 2×44374686409² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44374686409.

It is not an unprimeable number, because it can be changed into a prime (44374686403) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3996864 + ... + 4007950.

Almost surely, 2^44374686409 is an apocalyptic number.

44374686409 is the 210653-rd square number.

44374686409 is the 105327-th centered octagonal number.

It is an amenable number.

44374686409 is a deficient number, since it is larger than the sum of its proper divisors (2462655908).

44374686409 is an frugal number, since it uses more digits than its factorization.

44374686409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212 (or 11106 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 44374686409 in words is "forty-four billion, three hundred seventy-four million, six hundred eighty-six thousand, four hundred nine".