28290232142 has 16 divisors (see below), whose sum is σ = 43485401232. Its totient is φ = 13795337280.

The previous prime is 28290232133. The next prime is 28290232147. The reversal of 28290232142 is 24123209282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28290232147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184748 + ... + 301184.

It is an arithmetic number, because the mean of its divisors is an integer number (2717837577).

Almost surely, 2^28290232142 is an apocalyptic number.

28290232142 is a deficient number, since it is larger than the sum of its proper divisors (15195169090).

28290232142 is a wasteful number, since it uses less digits than its factorization.

28290232142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119443.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 28290232142 in words is "twenty-eight billion, two hundred ninety million, two hundred thirty-two thousand, one hundred forty-two".