404675740 has 48 divisors (see below), whose sum is σ = 994924224. Its totient is φ = 135360000.

The previous prime is 404675707. The next prime is 404675743. The reversal of 404675740 is 47576404.

It is a self number, because there is not a number n which added to its sum of digits gives 404675740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404675743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29511 + ... + 40990.

It is an arithmetic number, because the mean of its divisors is an integer number (20727588).

Almost surely, 2^404675740 is an apocalyptic number.

It is an amenable number.

404675740 is an abundant number, since it is smaller than the sum of its proper divisors (590248484).

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

404675740 is a wasteful number, since it uses less digits than its factorization.

404675740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70558 (or 70556 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 404675740 is about 20116.5538798274. The cubic root of 404675740 is about 739.6661142880. Note that the first 3 decimals are identical.

The spelling of 404675740 in words is "four hundred four million, six hundred seventy-five thousand, seven hundred forty".