404058340 has 96 divisors (see below), whose sum is σ = 1009096704. Its totient is φ = 132986880.

The previous prime is 404058323. The next prime is 404058341. The reversal of 404058340 is 43850404.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 404058299 and 404058308.

It is not an unprimeable number, because it can be changed into a prime (404058341) 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, 681084 + ... + 681676.

It is an arithmetic number, because the mean of its divisors is an integer number (10511424).

Almost surely, 2^404058340 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 404058340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504548352).

404058340 is an abundant number, since it is smaller than the sum of its proper divisors (605038364).

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

404058340 is a wasteful number, since it uses less digits than its factorization.

404058340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 404058340 is about 20101.2024515948. The cubic root of 404058340 is about 739.2897616903.

The spelling of 404058340 in words is "four hundred four million, fifty-eight thousand, three hundred forty".