404412650 has 24 divisors (see below), whose sum is σ = 753484140. Its totient is φ = 161490560.

The previous prime is 404412647. The next prime is 404412653. The reversal of 404412650 is 56214404.

It is an interprime number because it is at equal distance from previous prime (404412647) and next prime (404412653).

It can be written as a sum of positive squares in 6 ways, for example, as 30261001 + 374151649 = 5501^2 + 19343^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404412653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24296 + ... + 37404.

Almost surely, 2^404412650 is an apocalyptic number.

404412650 is a deficient number, since it is larger than the sum of its proper divisors (349071490).

404412650 is a wasteful number, since it uses less digits than its factorization.

404412650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738 (or 13733 counting only the distinct ones).

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

The square root of 404412650 is about 20110.0136747840. The cubic root of 404412650 is about 739.5057876156.

The spelling of 404412650 in words is "four hundred four million, four hundred twelve thousand, six hundred fifty".