42021210304422 has 64 divisors (see below), whose sum is σ = 96604295509440. Its totient is φ = 13529022444288.

The previous prime is 42021210304363. The next prime is 42021210304429. The reversal of 42021210304422 is 22440301212024.

It is a happy number.

42021210304422 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 1 + 210 + 3 + 0 + 442 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021210304429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76484073 + ... + 77031524.

It is an arithmetic number, because the mean of its divisors is an integer number (1509442117335).

Almost surely, 2^{42021210304422} is an apocalyptic number.

42021210304422 is an abundant number, since it is smaller than the sum of its proper divisors (54583085205018).

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

42021210304422 is a wasteful number, since it uses less digits than its factorization.

42021210304422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153515782 (or 153515776 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42021210304422 its reverse (22440301212024), we get a palindrome (64461511516446).

The spelling of 42021210304422 in words is "forty-two trillion, twenty-one billion, two hundred ten million, three hundred four thousand, four hundred twenty-two".