1240332251452 has 24 divisors (see below), whose sum is σ = 2480691396960. Its totient is φ = 531565201920.

The previous prime is 1240332251443. The next prime is 1240332251491. The reversal of 1240332251452 is 2541522330421.

It is a super-2 number, since 2×1240332251452² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308952 + ... + 3664672.

It is an arithmetic number, because the mean of its divisors is an integer number (103362141540).

Almost surely, 2^{1240332251452} is an apocalyptic number.

It is an amenable number.

1240332251452 is an abundant number, since it is smaller than the sum of its proper divisors (1240359145508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240332251452 is a wasteful number, since it uses less digits than its factorization.

1240332251452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480261 (or 480259 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1240332251452 its reverse (2541522330421), we get a palindrome (3781854581873).

The spelling of 1240332251452 in words is "one trillion, two hundred forty billion, three hundred thirty-two million, two hundred fifty-one thousand, four hundred fifty-two".