1825644632 has 16 divisors (see below), whose sum is σ = 3912095760. Its totient is φ = 782419104.

The previous prime is 1825644559. The next prime is 1825644647. The reversal of 1825644632 is 2364465281.

It is a self number, because there is not a number n which added to its sum of digits gives 1825644632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16300343 + ... + 16300454.

It is an arithmetic number, because the mean of its divisors is an integer number (244505985).

Almost surely, 2^1825644632 is an apocalyptic number.

It is an amenable number.

1825644632 is an abundant number, since it is smaller than the sum of its proper divisors (2086451128).

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

1825644632 is a wasteful number, since it uses less digits than its factorization.

1825644632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32600810 (or 32600806 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 1825644632 is about 42727.5629073318. The cubic root of 1825644632 is about 1222.1900624314.

The spelling of 1825644632 in words is "one billion, eight hundred twenty-five million, six hundred forty-four thousand, six hundred thirty-two".