46420404646 has 64 divisors (see below), whose sum is σ = 92011852800. Its totient is φ = 17004764160.

The previous prime is 46420404607. The next prime is 46420404671. The reversal of 46420404646 is 64640402464.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 46420404599 and 46420404608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2737831 + ... + 2754733.

It is an arithmetic number, because the mean of its divisors is an integer number (1437685200).

Almost surely, 2^46420404646 is an apocalyptic number.

46420404646 is a deficient number, since it is larger than the sum of its proper divisors (45591448154).

46420404646 is a wasteful number, since it uses less digits than its factorization.

46420404646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17989.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 46420404646 in words is "forty-six billion, four hundred twenty million, four hundred four thousand, six hundred forty-six".