404153441 has 8 divisors (see below), whose sum is σ = 414989568. Its totient is φ = 393364000.

The previous prime is 404153437. The next prime is 404153459. The reversal of 404153441 is 144351404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 404153441 - 2² = 404153437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 404153441.

It is not an unprimeable number, because it can be changed into a prime (404153041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6236 + ... + 29106.

It is an arithmetic number, because the mean of its divisors is an integer number (51873696).

Almost surely, 2^404153441 is an apocalyptic number.

404153441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

404153441 is a deficient number, since it is larger than the sum of its proper divisors (10836127).

404153441 is a wasteful number, since it uses less digits than its factorization.

404153441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 404153441 is about 20103.5678674209. The cubic root of 404153441 is about 739.3477580021.

The spelling of 404153441 in words is "four hundred four million, one hundred fifty-three thousand, four hundred forty-one".