28361201442 has 32 divisors (see below), whose sum is σ = 64931413632. Its totient is φ = 8089974144.

The previous prime is 28361201437. The next prime is 28361201459. The reversal of 28361201442 is 24410216382.

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, 525043 + ... + 576534.

It is an arithmetic number, because the mean of its divisors is an integer number (2029106676).

Almost surely, 2^28361201442 is an apocalyptic number.

28361201442 is an abundant number, since it is smaller than the sum of its proper divisors (36570212190).

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

28361201442 is a wasteful number, since it uses less digits than its factorization.

28361201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102202.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 28361201442 in words is "twenty-eight billion, three hundred sixty-one million, two hundred one thousand, four hundred forty-two".