1625682889460 has 48 divisors (see below), whose sum is σ = 4106988359040. Its totient is φ = 528041358720.

The previous prime is 1625682889447. The next prime is 1625682889469. The reversal of 1625682889460 is 649882865261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625682889469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305576831 + ... + 305582150.

It is an arithmetic number, because the mean of its divisors is an integer number (85562257480).

Almost surely, 2^{1625682889460} is an apocalyptic number.

1625682889460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1625682889460 is an abundant number, since it is smaller than the sum of its proper divisors (2481305469580).

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

1625682889460 is a wasteful number, since it uses less digits than its factorization.

1625682889460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611159016 (or 611159014 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 65.

The spelling of 1625682889460 in words is "one trillion, six hundred twenty-five billion, six hundred eighty-two million, eight hundred eighty-nine thousand, four hundred sixty".