28494027490 has 16 divisors (see below), whose sum is σ = 51557783040. Its totient is φ = 11337936880.

The previous prime is 28494027481. The next prime is 28494027509. The reversal of 28494027490 is 9472049482.

It is a happy number.

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, 7457260 + ... + 7461079.

It is an arithmetic number, because the mean of its divisors is an integer number (3222361440).

Almost surely, 2^28494027490 is an apocalyptic number.

28494027490 is a deficient number, since it is larger than the sum of its proper divisors (23063755550).

28494027490 is a wasteful number, since it uses less digits than its factorization.

28494027490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918537.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 28494027490 in words is "twenty-eight billion, four hundred ninety-four million, twenty-seven thousand, four hundred ninety".