1975565442 has 16 divisors (see below), whose sum is σ = 3965195232. Its totient is φ = 656177760.

The previous prime is 1975565401. The next prime is 1975565453. The reversal of 1975565442 is 2445655791.

It is a junction number, because it is equal to n+sod(n) for n = 1975565391 and 1975565400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584188 + ... + 587559.

It is an arithmetic number, because the mean of its divisors is an integer number (247824702).

Almost surely, 2^1975565442 is an apocalyptic number.

1975565442 is an abundant number, since it is smaller than the sum of its proper divisors (1989629790).

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

1975565442 is a wasteful number, since it uses less digits than its factorization.

1975565442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172033.

The product of its digits is 1512000, while the sum is 48.

The square root of 1975565442 is about 44447.3333508322. Note that the first 4 decimals coincide. The cubic root of 1975565442 is about 1254.7690758856.

The spelling of 1975565442 in words is "one billion, nine hundred seventy-five million, five hundred sixty-five thousand, four hundred forty-two".