3644440495 has 8 divisors (see below), whose sum is σ = 4391628480. Its totient is φ = 2903352480.

The previous prime is 3644440487. The next prime is 3644440511. The reversal of 3644440495 is 5940444463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3644440495 - 2³ = 3644440487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523676 + ... + 1526065.

It is an arithmetic number, because the mean of its divisors is an integer number (548953560).

Almost surely, 2^3644440495 is an apocalyptic number.

3644440495 is a deficient number, since it is larger than the sum of its proper divisors (747187985).

3644440495 is a wasteful number, since it uses less digits than its factorization.

3644440495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049985.

The product of its (nonzero) digits is 829440, while the sum is 43.

The square root of 3644440495 is about 60369.2015435023. The cubic root of 3644440495 is about 1538.8996039391.

The spelling of 3644440495 in words is "three billion, six hundred forty-four million, four hundred forty thousand, four hundred ninety-five".