404796042 has 80 divisors (see below), whose sum is σ = 1041258240. Its totient is φ = 115139232.

The previous prime is 404796031. The next prime is 404796053. The reversal of 404796042 is 240697404.

404796042 is a `hidden beast` number, since 4 + 0 + 47 + 9 + 604 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (404796031) and next prime (404796053).

It is a junction number, because it is equal to n+sod(n) for n = 404795988 and 404796006.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 304383 + ... + 305709.

It is an arithmetic number, because the mean of its divisors is an integer number (13015728).

Almost surely, 2^404796042 is an apocalyptic number.

404796042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 404796042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520629120).

404796042 is an abundant number, since it is smaller than the sum of its proper divisors (636462198).

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

404796042 is a wasteful number, since it uses less digits than its factorization.

404796042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 404796042 is about 20119.5437821040. The cubic root of 404796042 is about 739.7394030045.

The spelling of 404796042 in words is "four hundred four million, seven hundred ninety-six thousand, forty-two".