28741724454 has 16 divisors (see below), whose sum is σ = 58341411648. Its totient is φ = 9437581032.

The previous prime is 28741724423. The next prime is 28741724467. The reversal of 28741724454 is 45442714782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35748012 + ... + 35748815.

It is an arithmetic number, because the mean of its divisors is an integer number (3646338228).

Almost surely, 2^28741724454 is an apocalyptic number.

28741724454 is an abundant number, since it is smaller than the sum of its proper divisors (29599687194).

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

28741724454 is a wasteful number, since it uses less digits than its factorization.

28741724454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71496899.

The product of its digits is 2007040, while the sum is 48.

The spelling of 28741724454 in words is "twenty-eight billion, seven hundred forty-one million, seven hundred twenty-four thousand, four hundred fifty-four".