28601811242 has 32 divisors (see below), whose sum is σ = 43584393600. Its totient is φ = 14075788608.

The previous prime is 28601811239. The next prime is 28601811257. The reversal of 28601811242 is 24211810682.

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, 37782728 + ... + 37783484.

It is an arithmetic number, because the mean of its divisors is an integer number (1362012300).

Almost surely, 2^28601811242 is an apocalyptic number.

28601811242 is a deficient number, since it is larger than the sum of its proper divisors (14982582358).

28601811242 is a wasteful number, since it uses less digits than its factorization.

28601811242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 28601811242 in words is "twenty-eight billion, six hundred one million, eight hundred eleven thousand, two hundred forty-two".