42021024215 has 32 divisors (see below), whose sum is σ = 53498880000. Its totient is φ = 31632888448.

The previous prime is 42021024193. The next prime is 42021024217. The reversal of 42021024215 is 51242012024.

It is a cyclic number.

It is not a de Polignac number, because 42021024215 - 2⁶ = 42021024151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021024217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1615886 + ... + 1641684.

It is an arithmetic number, because the mean of its divisors is an integer number (1671840000).

Almost surely, 2^42021024215 is an apocalyptic number.

42021024215 is a deficient number, since it is larger than the sum of its proper divisors (11477855785).

42021024215 is a wasteful number, since it uses less digits than its factorization.

42021024215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26119.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 42021024215 its reverse (51242012024), we get a palindrome (93263036239).

The spelling of 42021024215 in words is "forty-two billion, twenty-one million, twenty-four thousand, two hundred fifteen".