120040042424 has 16 divisors (see below), whose sum is σ = 225217285920. Its totient is φ = 59982099520.

The previous prime is 120040042379. The next prime is 120040042457. The reversal of 120040042424 is 424240040021.

It is a super-2 number, since 2×120040042424² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120040042424.

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, 4726757 + ... + 4752084.

It is an arithmetic number, because the mean of its divisors is an integer number (14076080370).

Almost surely, 2^120040042424 is an apocalyptic number.

It is an amenable number.

120040042424 is a deficient number, since it is larger than the sum of its proper divisors (105177243496).

120040042424 is a wasteful number, since it uses less digits than its factorization.

120040042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480430 (or 9480426 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 120040042424 its reverse (424240040021), we get a palindrome (544280082445).

The spelling of 120040042424 in words is "one hundred twenty billion, forty million, forty-two thousand, four hundred twenty-four".