404428410 has 64 divisors (see below), whose sum is σ = 1080288000. Its totient is φ = 107666496.

The previous prime is 404428399. The next prime is 404428411. The reversal of 404428410 is 14824404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (404428411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260316 + ... + 261864.

It is an arithmetic number, because the mean of its divisors is an integer number (16879500).

Almost surely, 2^404428410 is an apocalyptic number.

404428410 is an abundant number, since it is smaller than the sum of its proper divisors (675859590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404428410 is a wasteful number, since it uses less digits than its factorization.

404428410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 404428410 is about 20110.4055155534. The cubic root of 404428410 is about 739.5153936948.

The spelling of 404428410 in words is "four hundred four million, four hundred twenty-eight thousand, four hundred ten".