404042901 has 8 divisors (see below), whose sum is σ = 538976160. Its totient is φ = 269235792.

The previous prime is 404042867. The next prime is 404042939. The reversal of 404042901 is 109240404.

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

It is not a de Polignac number, because 404042901 - 2⁹ = 404042389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404042971) 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, 23791 + ... + 37068.

It is an arithmetic number, because the mean of its divisors is an integer number (67372020).

Almost surely, 2^404042901 is an apocalyptic number.

It is an amenable number.

404042901 is a deficient number, since it is larger than the sum of its proper divisors (134933259).

404042901 is a wasteful number, since it uses less digits than its factorization.

404042901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63075.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 404042901 is about 20100.8184161740. The cubic root of 404042901 is about 739.2803455253.

The spelling of 404042901 in words is "four hundred four million, forty-two thousand, nine hundred one".