4090378297565 has 32 divisors (see below), whose sum is σ = 5616186126336. Its totient is φ = 2801569780800.

The previous prime is 4090378297561. The next prime is 4090378297601. The reversal of 4090378297565 is 5657928730904.

It is not a de Polignac number, because 4090378297565 - 2² = 4090378297561 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 (4090378297561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241411484 + ... + 241428426.

It is an arithmetic number, because the mean of its divisors is an integer number (175505816448).

Almost surely, 2^{4090378297565} is an apocalyptic number.

It is an amenable number.

4090378297565 is a deficient number, since it is larger than the sum of its proper divisors (1525807828771).

4090378297565 is a wasteful number, since it uses less digits than its factorization.

4090378297565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24569.

The product of its (nonzero) digits is 114307200, while the sum is 65.

The spelling of 4090378297565 in words is "four trillion, ninety billion, three hundred seventy-eight million, two hundred ninety-seven thousand, five hundred sixty-five".