42421411440515 has 24 divisors (see below), whose sum is σ = 52187610736080. Its totient is φ = 33103033193664.

The previous prime is 42421411440511. The next prime is 42421411440517. The reversal of 42421411440515 is 51504411412424.

It is not a de Polignac number, because 42421411440515 - 2² = 42421411440511 is a prime.

It is a super-2 number, since 2×42421411440515² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42421411440511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3727469 + ... + 9936641.

It is an arithmetic number, because the mean of its divisors is an integer number (2174483780670).

Almost surely, 2^{42421411440515} is an apocalyptic number.

42421411440515 is a deficient number, since it is larger than the sum of its proper divisors (9766199295565).

42421411440515 is an equidigital number, since it uses as much as digits as its factorization.

42421411440515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210003 (or 6209960 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

Adding to 42421411440515 its reverse (51504411412424), we get a palindrome (93925822852939).

The spelling of 42421411440515 in words is "forty-two trillion, four hundred twenty-one billion, four hundred eleven million, four hundred forty thousand, five hundred fifteen".