28422907490 has 8 divisors (see below), whose sum is σ = 51161233500. Its totient is φ = 11369162992.

The previous prime is 28422907477. The next prime is 28422907531. The reversal of 28422907490 is 9470922482.

It is a happy number.

28422907490 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27502573921 + 920333569 = 165839^2 + 30337^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421145365 + ... + 1421145384.

Almost surely, 2^28422907490 is an apocalyptic number.

28422907490 is a deficient number, since it is larger than the sum of its proper divisors (22738326010).

28422907490 is a wasteful number, since it uses less digits than its factorization.

28422907490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842290756.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 28422907490 in words is "twenty-eight billion, four hundred twenty-two million, nine hundred seven thousand, four hundred ninety".