28142478310 has 24 divisors (see below), whose sum is σ = 51922150128. Its totient is φ = 10982424000.

The previous prime is 28142478293. The next prime is 28142478341. The reversal of 28142478310 is 1387424182.

It is a super-2 number, since 2×28142478310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820266 + ... + 853885.

It is an arithmetic number, because the mean of its divisors is an integer number (2163422922).

Almost surely, 2^28142478310 is an apocalyptic number.

28142478310 is a deficient number, since it is larger than the sum of its proper divisors (23779671818).

28142478310 is a wasteful number, since it uses less digits than its factorization.

28142478310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674240 (or 1674199 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 28142478310 in words is "twenty-eight billion, one hundred forty-two million, four hundred seventy-eight thousand, three hundred ten".