42221033340 has 48 divisors (see below), whose sum is σ = 119715348480. Its totient is φ = 11116422720.

The previous prime is 42221033317. The next prime is 42221033347. The reversal of 42221033340 is 4333012224.

It is a self number, because there is not a number n which added to its sum of digits gives 42221033340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221033347) 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, 4448956 + ... + 4458435.

It is an arithmetic number, because the mean of its divisors is an integer number (2494069760).

Almost surely, 2^42221033340 is an apocalyptic number.

It is an amenable number.

42221033340 is an abundant number, since it is smaller than the sum of its proper divisors (77494315140).

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

42221033340 is a wasteful number, since it uses less digits than its factorization.

42221033340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907482 (or 8907480 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42221033340 its reverse (4333012224), we get a palindrome (46554045564).

The spelling of 42221033340 in words is "forty-two billion, two hundred twenty-one million, thirty-three thousand, three hundred forty".