42122302421144 has 128 divisors (see below), whose sum is σ = 91330236244800. Its totient is φ = 18030243840000.

The previous prime is 42122302421113. The next prime is 42122302421219. The reversal of 42122302421144 is 44112420322124.

It is a super-2 number, since 2×42122302421144² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42122302421144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378398294 + ... + 378509594.

Almost surely, 2^{42122302421144} is an apocalyptic number.

42122302421144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42122302421144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45665118122400).

42122302421144 is an abundant number, since it is smaller than the sum of its proper divisors (49207933823656).

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

42122302421144 is a wasteful number, since it uses less digits than its factorization.

42122302421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115005 (or 115001 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 42122302421144 its reverse (44112420322124), we get a palindrome (86234722743268).

The spelling of 42122302421144 in words is "forty-two trillion, one hundred twenty-two billion, three hundred two million, four hundred twenty-one thousand, one hundred forty-four".