1800045952 has 32 divisors (see below), whose sum is σ = 3796976520. Its totient is φ = 847079424.

The previous prime is 1800045931. The next prime is 1800045953. The reversal of 1800045952 is 2595400081.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800045953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411438 + ... + 415789.

Almost surely, 2^1800045952 is an apocalyptic number.

It is an amenable number.

1800045952 is an abundant number, since it is smaller than the sum of its proper divisors (1996930568).

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

1800045952 is an equidigital number, since it uses as much as digits as its factorization.

1800045952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827258 (or 827246 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1800045952 is about 42426.9484172501. The cubic root of 1800045952 is about 1216.4507504839.

The spelling of 1800045952 in words is "one billion, eight hundred million, forty-five thousand, nine hundred fifty-two".