28154132248 has 16 divisors (see below), whose sum is σ = 57587997960. Its totient is φ = 12797332800.

The previous prime is 28154132213. The next prime is 28154132267. The reversal of 28154132248 is 84223145182.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28154132248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159966573 + ... + 159966748.

Almost surely, 2^28154132248 is an apocalyptic number.

It is an amenable number.

28154132248 is an abundant number, since it is smaller than the sum of its proper divisors (29433865712).

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

28154132248 is a wasteful number, since it uses less digits than its factorization.

28154132248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319933338 (or 319933334 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The spelling of 28154132248 in words is "twenty-eight billion, one hundred fifty-four million, one hundred thirty-two thousand, two hundred forty-eight".