28140559422 has 32 divisors (see below), whose sum is σ = 58241393280. Its totient is φ = 9053691360.

The previous prime is 28140559373. The next prime is 28140559423. The reversal of 28140559422 is 22495504182.

It is a super-2 number, since 2×28140559422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28140559423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524797 + ... + 575927.

It is an arithmetic number, because the mean of its divisors is an integer number (1820043540).

Almost surely, 2^28140559422 is an apocalyptic number.

28140559422 is an abundant number, since it is smaller than the sum of its proper divisors (30100833858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28140559422 is a wasteful number, since it uses less digits than its factorization.

28140559422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54328.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 28140559422 in words is "twenty-eight billion, one hundred forty million, five hundred fifty-nine thousand, four hundred twenty-two".