404474542 has 8 divisors (see below), whose sum is σ = 627633000. Its totient is φ = 195263544.

The previous prime is 404474533. The next prime is 404474561. The reversal of 404474542 is 245474404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×404474542² = 327199310252219528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404474498 and 404474507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3486792 + ... + 3486907.

It is an arithmetic number, because the mean of its divisors is an integer number (78454125).

Almost surely, 2^404474542 is an apocalyptic number.

404474542 is a deficient number, since it is larger than the sum of its proper divisors (223158458).

404474542 is a wasteful number, since it uses less digits than its factorization.

404474542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973730.

The product of its (nonzero) digits is 71680, while the sum is 34.

The square root of 404474542 is about 20111.5524512654. The cubic root of 404474542 is about 739.5435107659.

The spelling of 404474542 in words is "four hundred four million, four hundred seventy-four thousand, five hundred forty-two".