28622542312 has 64 divisors (see below), whose sum is σ = 66073190400. Its totient is φ = 11319575040.

The previous prime is 28622542301. The next prime is 28622542313. The reversal of 28622542312 is 21324522682.

It is not an unprimeable number, because it can be changed into a prime (28622542313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4138137 + ... + 4145047.

It is an arithmetic number, because the mean of its divisors is an integer number (1032393600).

Almost surely, 2^28622542312 is an apocalyptic number.

It is an amenable number.

28622542312 is an abundant number, since it is smaller than the sum of its proper divisors (37450648088).

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

28622542312 is a wasteful number, since it uses less digits than its factorization.

28622542312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626 (or 12622 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The spelling of 28622542312 in words is "twenty-eight billion, six hundred twenty-two million, five hundred forty-two thousand, three hundred twelve".