28620570342 has 32 divisors (see below), whose sum is σ = 70450636032. Its totient is φ = 7548282144.

The previous prime is 28620570313. The next prime is 28620570361. The reversal of 28620570342 is 24307502682.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 28620570342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26208768 + ... + 26209859.

It is an arithmetic number, because the mean of its divisors is an integer number (2201582376).

Almost surely, 2^28620570342 is an apocalyptic number.

28620570342 is an abundant number, since it is smaller than the sum of its proper divisors (41830065690).

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

28620570342 is a wasteful number, since it uses less digits than its factorization.

28620570342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52418652.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 28620570342 in words is "twenty-eight billion, six hundred twenty million, five hundred seventy thousand, three hundred forty-two".