1240042132424 has 16 divisors (see below), whose sum is σ = 2330057761200. Its totient is φ = 618693396112.

The previous prime is 1240042132411. The next prime is 1240042132447. The reversal of 1240042132424 is 4242312400421.

It is a happy number.

It is a super-2 number, since 2×1240042132424² (a number of 25 digits) contains 22 as substring.

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, 165954794 + ... + 165962265.

It is an arithmetic number, because the mean of its divisors is an integer number (145628610075).

Almost surely, 2^{1240042132424} is an apocalyptic number.

It is an amenable number.

1240042132424 is a deficient number, since it is larger than the sum of its proper divisors (1090015628776).

1240042132424 is a wasteful number, since it uses less digits than its factorization.

1240042132424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331917532 (or 331917528 counting only the distinct ones).

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

Adding to 1240042132424 its reverse (4242312400421), we get a palindrome (5482354532845).

The spelling of 1240042132424 in words is "one trillion, two hundred forty billion, forty-two million, one hundred thirty-two thousand, four hundred twenty-four".