3216740505642 has 64 divisors (see below), whose sum is σ = 7461149794560. Its totient is φ = 1025346719232.

The previous prime is 3216740505613. The next prime is 3216740505677. The reversal of 3216740505642 is 2465050476123.

3216740505642 is a `hidden beast` number, since 3 + 2 + 1 + 67 + 40 + 505 + 6 + 42 = 666.

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, 4209298 + ... + 4914434.

It is an arithmetic number, because the mean of its divisors is an integer number (116580465540).

Almost surely, 2^{3216740505642} is an apocalyptic number.

3216740505642 is an abundant number, since it is smaller than the sum of its proper divisors (4244409288918).

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

3216740505642 is a wasteful number, since it uses less digits than its factorization.

3216740505642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708844 (or 708838 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 3216740505642 in words is "three trillion, two hundred sixteen billion, seven hundred forty million, five hundred five thousand, six hundred forty-two".