42211242164 has 48 divisors (see below), whose sum is σ = 91297113600. Its totient is φ = 16629048576.

The previous prime is 42211242133. The next prime is 42211242167. The reversal of 42211242164 is 46124211224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211242167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155609 + ... + 329600.

It is an arithmetic number, because the mean of its divisors is an integer number (1902023200).

Almost surely, 2^42211242164 is an apocalyptic number.

It is an amenable number.

42211242164 is an abundant number, since it is smaller than the sum of its proper divisors (49085871436).

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

42211242164 is a wasteful number, since it uses less digits than its factorization.

42211242164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485472 (or 485470 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 42211242164 its reverse (46124211224), we get a palindrome (88335453388).

The spelling of 42211242164 in words is "forty-two billion, two hundred eleven million, two hundred forty-two thousand, one hundred sixty-four".