404076254399 has 4 divisors (see below), whose sum is σ = 404108334000. Its totient is φ = 404044174800.

The previous prime is 404076254369. The next prime is 404076254431. The reversal of 404076254399 is 993452670404.

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

It is a cyclic number.

It is not a de Polignac number, because 404076254399 - 2¹⁶ = 404076188863 is a prime.

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 404076254399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404076254369) 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, 16020899 + ... + 16046100.

It is an arithmetic number, because the mean of its divisors is an integer number (101027083500).

Almost surely, 2^404076254399 is an apocalyptic number.

404076254399 is a deficient number, since it is larger than the sum of its proper divisors (32079601).

404076254399 is a wasteful number, since it uses less digits than its factorization.

404076254399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32079600.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 404076254399 in words is "four hundred four billion, seventy-six million, two hundred fifty-four thousand, three hundred ninety-nine".