490154918 has 32 divisors (see below), whose sum is σ = 837218592. Its totient is φ = 213241600.

The previous prime is 490154911. The next prime is 490154921. The reversal of 490154918 is 819451094.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490154911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42680 + ... + 52932.

It is an arithmetic number, because the mean of its divisors is an integer number (26163081).

Almost surely, 2^490154918 is an apocalyptic number.

490154918 is a deficient number, since it is larger than the sum of its proper divisors (347063674).

490154918 is a wasteful number, since it uses less digits than its factorization.

490154918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10360.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 490154918 is about 22139.4425855756. The cubic root of 490154918 is about 788.4565913986.

The spelling of 490154918 in words is "four hundred ninety million, one hundred fifty-four thousand, nine hundred eighteen".