28528041542 has 128 divisors (see below), whose sum is σ = 58525286400. Its totient is φ = 10070121600.

The previous prime is 28528041539. The next prime is 28528041599. The reversal of 28528041542 is 24514082582.

It is a self number, because there is not a number n which added to its sum of digits gives 28528041542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59557259 + ... + 59557737.

It is an arithmetic number, because the mean of its divisors is an integer number (457228800).

Almost surely, 2^28528041542 is an apocalyptic number.

28528041542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28528041542 is an abundant number, since it is smaller than the sum of its proper divisors (29997244858).

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

28528041542 is a wasteful number, since it uses less digits than its factorization.

28528041542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 28528041542 in words is "twenty-eight billion, five hundred twenty-eight million, forty-one thousand, five hundred forty-two".