318529842490 has 16 divisors (see below), whose sum is σ = 573362750880. Its totient is φ = 127409929360.

The previous prime is 318529842487. The next prime is 318529842511. The reversal of 318529842490 is 94248925813.

It is a happy number.

It is a super-2 number, since 2×318529842490² (a number of 24 digits) contains 22 as substring.

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, 531621 + ... + 958999.

It is an arithmetic number, because the mean of its divisors is an integer number (35835171930).

Almost surely, 2^318529842490 is an apocalyptic number.

318529842490 is a deficient number, since it is larger than the sum of its proper divisors (254832908390).

318529842490 is a wasteful number, since it uses less digits than its factorization.

318529842490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501917.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 318529842490 in words is "three hundred eighteen billion, five hundred twenty-nine million, eight hundred forty-two thousand, four hundred ninety".