42120213441 has 16 divisors (see below), whose sum is σ = 59138208000. Its totient is φ = 26592286608.

The previous prime is 42120213419. The next prime is 42120213469. The reversal of 42120213441 is 14431202124.

It is not a de Polignac number, because 42120213441 - 2²⁷ = 41985995713 is a prime.

It is a super-2 number, since 2×42120213441² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42120213481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16950 + ... + 290736.

It is an arithmetic number, because the mean of its divisors is an integer number (3696138000).

Almost surely, 2^42120213441 is an apocalyptic number.

It is an amenable number.

42120213441 is a deficient number, since it is larger than the sum of its proper divisors (17017994559).

42120213441 is a wasteful number, since it uses less digits than its factorization.

42120213441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276508.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 42120213441 its reverse (14431202124), we get a palindrome (56551415565).

The spelling of 42120213441 in words is "forty-two billion, one hundred twenty million, two hundred thirteen thousand, four hundred forty-one".