404250404 has 6 divisors (see below), whose sum is σ = 707438214. Its totient is φ = 202125200.

The previous prime is 404250397. The next prime is 404250409. The reversal of 404250404 is 404052404.

It can be written as a sum of positive squares in only one way, i.e., 404090404 + 160000 = 20102^2 + 400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404250404.

It is not an unprimeable number, because it can be changed into a prime (404250409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50531297 + ... + 50531304.

It is an arithmetic number, because the mean of its divisors is an integer number (117906369).

Almost surely, 2^404250404 is an apocalyptic number.

It is an amenable number.

404250404 is a deficient number, since it is larger than the sum of its proper divisors (303187810).

404250404 is a wasteful number, since it uses less digits than its factorization.

404250404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101062605 (or 101062603 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 404250404 is about 20105.9793096482. The cubic root of 404250404 is about 739.4068804682.

The spelling of 404250404 in words is "four hundred four million, two hundred fifty thousand, four hundred four".