404469409641 has 24 divisors (see below), whose sum is σ = 607909420512. Its totient is φ = 237225441600.

The previous prime is 404469409637. The next prime is 404469409649. The reversal of 404469409641 is 146904964404.

It is not a de Polignac number, because 404469409641 - 2² = 404469409637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404469409649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6345316 + ... + 6408741.

It is an arithmetic number, because the mean of its divisors is an integer number (25329559188).

Almost surely, 2^404469409641 is an apocalyptic number.

It is an amenable number.

404469409641 is a deficient number, since it is larger than the sum of its proper divisors (203440010871).

404469409641 is a wasteful number, since it uses less digits than its factorization.

404469409641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12754133 (or 12754102 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 404469409641 in words is "four hundred four billion, four hundred sixty-nine million, four hundred nine thousand, six hundred forty-one".