42321240221024 has 24 divisors (see below), whose sum is σ = 83322345506400. Its totient is φ = 21160009616256.

The previous prime is 42321240221009. The next prime is 42321240221041. The reversal of 42321240221024 is 42012204212324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17950424 + ... + 20170775.

It is an arithmetic number, because the mean of its divisors is an integer number (3471764396100).

Almost surely, 2^{42321240221024} is an apocalyptic number.

It is an amenable number.

42321240221024 is a deficient number, since it is larger than the sum of its proper divisors (41001105285376).

42321240221024 is a wasteful number, since it uses less digits than its factorization.

42321240221024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38155902 (or 38155894 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42321240221024 its reverse (42012204212324), we get a palindrome (84333444433348).

The spelling of 42321240221024 in words is "forty-two trillion, three hundred twenty-one billion, two hundred forty million, two hundred twenty-one thousand, twenty-four".