42042213525372 has 24 divisors (see below), whose sum is σ = 98102302247376. Its totient is φ = 14013527743488.

The previous prime is 42042213525371. The next prime is 42042213525373. The reversal of 42042213525372 is 27352531224024.

It is an interprime number because it is at equal distance from previous prime (42042213525371) and next prime (42042213525373).

It is a super-2 number, since 2×42042213525372² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042213525371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67606543 + ... + 68225574.

It is an arithmetic number, because the mean of its divisors is an integer number (4087595926974).

Almost surely, 2^{42042213525372} is an apocalyptic number.

It is an amenable number.

42042213525372 is an abundant number, since it is smaller than the sum of its proper divisors (56060088722004).

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

42042213525372 is a wasteful number, since it uses less digits than its factorization.

42042213525372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135857917 (or 135857915 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 42.

Adding to 42042213525372 its reverse (27352531224024), we get a palindrome (69394744749396).

The spelling of 42042213525372 in words is "forty-two trillion, forty-two billion, two hundred thirteen million, five hundred twenty-five thousand, three hundred seventy-two".