490724177806 has 4 divisors (see below), whose sum is σ = 736086266712. Its totient is φ = 245362088902.

The previous prime is 490724177761. The next prime is 490724177821. The reversal of 490724177806 is 608771427094.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122681044450 + ... + 122681044453.

It is an arithmetic number, because the mean of its divisors is an integer number (184021566678).

Almost surely, 2^490724177806 is an apocalyptic number.

490724177806 is a deficient number, since it is larger than the sum of its proper divisors (245362088906).

490724177806 is a wasteful number, since it uses less digits than its factorization.

490724177806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245362088905.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 490724177806 in words is "four hundred ninety billion, seven hundred twenty-four million, one hundred seventy-seven thousand, eight hundred six".