1240442401424 has 10 divisors (see below), whose sum is σ = 2403357152790. Its totient is φ = 620221200704.

The previous prime is 1240442401357. The next prime is 1240442401427. The reversal of 1240442401424 is 4241042440421.

It can be written as a sum of positive squares in only one way, i.e., 1235948039824 + 4494361600 = 1111732^2 + 67040^2 .

It is not an unprimeable number, because it can be changed into a prime (1240442401427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38763825029 + ... + 38763825060.

It is an arithmetic number, because the mean of its divisors is an integer number (240335715279).

Almost surely, 2^{1240442401424} is an apocalyptic number.

It is an amenable number.

1240442401424 is a deficient number, since it is larger than the sum of its proper divisors (1162914751366).

1240442401424 is an equidigital number, since it uses as much as digits as its factorization.

1240442401424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77527650097 (or 77527650091 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 1240442401424 its reverse (4241042440421), we get a palindrome (5481484841845).

The spelling of 1240442401424 in words is "one trillion, two hundred forty billion, four hundred forty-two million, four hundred one thousand, four hundred twenty-four".