28024306450490 has 64 divisors (see below), whose sum is σ = 57724691834880. Its totient is φ = 9595887720000.

The previous prime is 28024306450477. The next prime is 28024306450501. The reversal of 28024306450490 is 9405460342082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773044865 + ... + 773081115.

It is an arithmetic number, because the mean of its divisors is an integer number (901948309920).

Almost surely, 2^{28024306450490} is an apocalyptic number.

28024306450490 is an abundant number, since it is smaller than the sum of its proper divisors (29700385384390).

28024306450490 is a wasteful number, since it uses less digits than its factorization.

28024306450490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50267.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 28024306450490 in words is "twenty-eight trillion, twenty-four billion, three hundred six million, four hundred fifty thousand, four hundred ninety".