42646464606660 has 48 divisors (see below), whose sum is σ = 119864131744896. Its totient is φ = 11329149528832.

The previous prime is 42646464606643. The next prime is 42646464606689. The reversal of 42646464606660 is 6660646464624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 42646464606594 and 42646464606603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351266369 + ... + 1351297928.

It is an arithmetic number, because the mean of its divisors is an integer number (2497169411352).

Almost surely, 2^{42646464606660} is an apocalyptic number.

It is an amenable number.

42646464606660 is an abundant number, since it is smaller than the sum of its proper divisors (77217667138236).

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

42646464606660 is a wasteful number, since it uses less digits than its factorization.

42646464606660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702564572 (or 2702564570 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 60.

The spelling of 42646464606660 in words is "forty-two trillion, six hundred forty-six billion, four hundred sixty-four million, six hundred six thousand, six hundred sixty".