1562640342242 has 16 divisors (see below), whose sum is σ = 2680419021120. Its totient is φ = 669301252368.

The previous prime is 1562640342223. The next prime is 1562640342247. The reversal of 1562640342242 is 2422430462651.

It is a self number, because there is not a number n which added to its sum of digits gives 1562640342242.

It is not an unprimeable number, because it can be changed into a prime (1562640342247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33455117 + ... + 33501792.

It is an arithmetic number, because the mean of its divisors is an integer number (167526188820).

Almost surely, 2^{1562640342242} is an apocalyptic number.

1562640342242 is a deficient number, since it is larger than the sum of its proper divisors (1117778678878).

1562640342242 is a wasteful number, since it uses less digits than its factorization.

1562640342242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66958585.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 1562640342242 in words is "one trillion, five hundred sixty-two billion, six hundred forty million, three hundred forty-two thousand, two hundred forty-two".