450791892 has 60 divisors (see below), whose sum is σ = 1219120980. Its totient is φ = 145079424.

The previous prime is 450791867. The next prime is 450791909. The reversal of 450791892 is 298197054.

It can be written as a sum of positive squares in 2 ways, for example, as 382828356 + 67963536 = 19566^2 + 8244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14593 + ... + 33384.

It is an arithmetic number, because the mean of its divisors is an integer number (20318683).

Almost surely, 2^450791892 is an apocalyptic number.

It is an amenable number.

450791892 is an abundant number, since it is smaller than the sum of its proper divisors (768329088).

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

450791892 is a wasteful number, since it uses less digits than its factorization.

450791892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48022 (or 48011 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 450791892 is about 21231.8603047401. The cubic root of 450791892 is about 766.7586758719.

It can be divided in two parts, 45079 and 1892, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 450791892 in words is "four hundred fifty million, seven hundred ninety-one thousand, eight hundred ninety-two".