28248590142 has 24 divisors (see below), whose sum is σ = 61580777544. Its totient is φ = 9358427664.

The previous prime is 28248590137. The next prime is 28248590143. The reversal of 28248590142 is 24109584282.

28248590142 is a `hidden beast` number, since 2 + 8 + 2 + 48 + 590 + 14 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28248590143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4811073 + ... + 4816940.

It is an arithmetic number, because the mean of its divisors is an integer number (2565865731).

Almost surely, 2^28248590142 is an apocalyptic number.

28248590142 is an abundant number, since it is smaller than the sum of its proper divisors (33332187402).

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

28248590142 is a wasteful number, since it uses less digits than its factorization.

28248590142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628184 (or 9628181 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 28248590142 in words is "twenty-eight billion, two hundred forty-eight million, five hundred ninety thousand, one hundred forty-two".