1625040568 has 8 divisors (see below), whose sum is σ = 3046951080. Its totient is φ = 812520280.

The previous prime is 1625040541. The next prime is 1625040583. The reversal of 1625040568 is 8650405261.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101565028 + ... + 101565043.

It is an arithmetic number, because the mean of its divisors is an integer number (380868885).

Almost surely, 2^1625040568 is an apocalyptic number.

It is an amenable number.

1625040568 is a deficient number, since it is larger than the sum of its proper divisors (1421910512).

1625040568 is a wasteful number, since it uses less digits than its factorization.

1625040568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203130077 (or 203130073 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1625040568 is about 40311.7919224636. The cubic root of 1625040568 is about 1175.6771272606.

The spelling of 1625040568 in words is "one billion, six hundred twenty-five million, forty thousand, five hundred sixty-eight".