492787280 has 40 divisors (see below), whose sum is σ = 1164524424. Its totient is φ = 193881600.

The previous prime is 492787277. The next prime is 492787297. The reversal of 492787280 is 82787294.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51955264 + 440832016 = 7208^2 + 20996^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45611 + ... + 55370.

Almost surely, 2^492787280 is an apocalyptic number.

492787280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

492787280 is an abundant number, since it is smaller than the sum of its proper divisors (671737144).

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

492787280 is a wasteful number, since it uses less digits than its factorization.

492787280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101055 (or 101049 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 492787280 is about 22198.8125808567. The cubic root of 492787280 is about 789.8655328470.

The spelling of 492787280 in words is "four hundred ninety-two million, seven hundred eighty-seven thousand, two hundred eighty".