28753601142 has 64 divisors (see below), whose sum is σ = 67039948800. Its totient is φ = 8051874336.

The previous prime is 28753601119. The next prime is 28753601153. The reversal of 28753601142 is 24110635782.

It is a self number, because there is not a number n which added to its sum of digits gives 28753601142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534313 + ... + 585659.

It is an arithmetic number, because the mean of its divisors is an integer number (1047499200).

Almost surely, 2^28753601142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28753601142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33519974400).

28753601142 is an abundant number, since it is smaller than the sum of its proper divisors (38286347658).

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

28753601142 is a wasteful number, since it uses less digits than its factorization.

28753601142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51625.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 28753601142 in words is "twenty-eight billion, seven hundred fifty-three million, six hundred one thousand, one hundred forty-two".