900043761852 has 72 divisors (see below), whose sum is σ = 2477434486800. Its totient is φ = 274423500288.

The previous prime is 900043761821. The next prime is 900043761857. The reversal of 900043761852 is 258167340009.

It is a junction number, because it is equal to n+sod(n) for n = 900043761798 and 900043761807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900043761857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22667293 + ... + 22706964.

It is a 1-persistent number, because it is pandigital, but 2⋅900043761852 = 1800087523704 is not.

Almost surely, 2^900043761852 is an apocalyptic number.

It is an amenable number.

900043761852 is an abundant number, since it is smaller than the sum of its proper divisors (1577390724948).

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

900043761852 is a wasteful number, since it uses less digits than its factorization.

900043761852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45374315 (or 45374310 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 900043761852 in words is "nine hundred billion, forty-three million, seven hundred sixty-one thousand, eight hundred fifty-two".