235221042642 has 16 divisors (see below), whose sum is σ = 490896089280. Its totient is φ = 74998013552.

The previous prime is 235221042571. The next prime is 235221042643. The reversal of 235221042642 is 246240122532.

235221042642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (235221042643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852250017 + ... + 852250292.

It is an arithmetic number, because the mean of its divisors is an integer number (30681005580).

Almost surely, 2^235221042642 is an apocalyptic number.

235221042642 is an abundant number, since it is smaller than the sum of its proper divisors (255675046638).

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

235221042642 is a wasteful number, since it uses less digits than its factorization.

235221042642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704500337.

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 235221042642 in words is "two hundred thirty-five billion, two hundred twenty-one million, forty-two thousand, six hundred forty-two".