301400021442 has 128 divisors (see below), whose sum is σ = 693890426880. Its totient is φ = 86456448000.

The previous prime is 301400021413. The next prime is 301400021449. The reversal of 301400021442 is 244120004103.

It is not an unprimeable number, because it can be changed into a prime (301400021449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92708317 + ... + 92711567.

It is an arithmetic number, because the mean of its divisors is an integer number (5421018960).

Almost surely, 2^301400021442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 301400021442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346945213440).

301400021442 is an abundant number, since it is smaller than the sum of its proper divisors (392490405438).

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

301400021442 is a wasteful number, since it uses less digits than its factorization.

301400021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 301400021442 its reverse (244120004103), we get a palindrome (545520025545).

The spelling of 301400021442 in words is "three hundred one billion, four hundred million, twenty-one thousand, four hundred forty-two".