28714328604490 has 8 divisors (see below), whose sum is σ = 51685791488100. Its totient is φ = 11485731441792.

The previous prime is 28714328604449. The next prime is 28714328604497. The reversal of 28714328604490 is 9440682341782.

It can be written as a sum of positive squares in 2 ways, for example, as 28328229170329 + 386099434161 = 5322427^2 + 621369^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28714328604497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435716430215 + ... + 1435716430234.

Almost surely, 2^{28714328604490} is an apocalyptic number.

28714328604490 is a deficient number, since it is larger than the sum of its proper divisors (22971462883610).

28714328604490 is a wasteful number, since it uses less digits than its factorization.

28714328604490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871432860456.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 28714328604490 in words is "twenty-eight trillion, seven hundred fourteen billion, three hundred twenty-eight million, six hundred four thousand, four hundred ninety".