404117919942 has 64 divisors (see below), whose sum is σ = 898522834176. Its totient is φ = 120126015360.

The previous prime is 404117919937. The next prime is 404117919991. The reversal of 404117919942 is 249919711404.

It is a super-2 number, since 2×404117919942² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27742353 + ... + 27756915.

It is an arithmetic number, because the mean of its divisors is an integer number (14039419284).

Almost surely, 2^404117919942 is an apocalyptic number.

404117919942 is an abundant number, since it is smaller than the sum of its proper divisors (494404914234).

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

404117919942 is a wasteful number, since it uses less digits than its factorization.

404117919942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22565.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 404117919942 in words is "four hundred four billion, one hundred seventeen million, nine hundred nineteen thousand, nine hundred forty-two".