490156815 has 8 divisors (see below), whose sum is σ = 784250928. Its totient is φ = 261416960.

The previous prime is 490156781. The next prime is 490156853. The reversal of 490156815 is 518651094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 490156815 - 2¹¹ = 490154767 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16338546 + ... + 16338575.

It is an arithmetic number, because the mean of its divisors is an integer number (98031366).

Almost surely, 2^490156815 is an apocalyptic number.

490156815 is a deficient number, since it is larger than the sum of its proper divisors (294094113).

490156815 is a wasteful number, since it uses less digits than its factorization.

490156815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32677129.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 490156815 is about 22139.4854276246. The cubic root of 490156815 is about 788.4576085602.

It can be divided in two parts, 4901 and 56815, that added together give a palindrome (61716).

The spelling of 490156815 in words is "four hundred ninety million, one hundred fifty-six thousand, eight hundred fifteen".