404250416 has 60 divisors (see below), whose sum is σ = 824491872. Its totient is φ = 191952000.

The previous prime is 404250409. The next prime is 404250433. The reversal of 404250416 is 614052404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 937721 + ... + 938151.

Almost surely, 2^404250416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404250416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412245936).

404250416 is an abundant number, since it is smaller than the sum of its proper divisors (420241456).

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

404250416 is a wasteful number, since it uses less digits than its factorization.

404250416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 525 counting only the distinct ones).

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

The square root of 404250416 is about 20105.9796080668. The cubic root of 404250416 is about 739.4068877845.

The spelling of 404250416 in words is "four hundred four million, two hundred fifty thousand, four hundred sixteen".