404646642060 has 48 divisors (see below), whose sum is σ = 1134669586176. Its totient is φ = 107747772352.

The previous prime is 404646642031. The next prime is 404646642077. The reversal of 404646642060 is 60246646404.

It is a super-2 number, since 2×404646642060² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4896144 + ... + 4978103.

It is an arithmetic number, because the mean of its divisors is an integer number (23638949712).

Almost surely, 2^404646642060 is an apocalyptic number.

It is an amenable number.

404646642060 is an abundant number, since it is smaller than the sum of its proper divisors (730022944116).

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

404646642060 is a wasteful number, since it uses less digits than its factorization.

404646642060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9874942 (or 9874940 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 404646642060 in words is "four hundred four billion, six hundred forty-six million, six hundred forty-two thousand, sixty".