1240003531232 has 96 divisors (see below), whose sum is σ = 2552976340992. Its totient is φ = 592281091584.

The previous prime is 1240003531171. The next prime is 1240003531289. The reversal of 1240003531232 is 2321353000421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104309993 + ... + 104321879.

It is an arithmetic number, because the mean of its divisors is an integer number (26593503552).

Almost surely, 2^{1240003531232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240003531232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276488170496).

1240003531232 is an abundant number, since it is smaller than the sum of its proper divisors (1312972809760).

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

1240003531232 is a wasteful number, since it uses less digits than its factorization.

1240003531232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13600 (or 13592 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1240003531232 its reverse (2321353000421), we get a palindrome (3561356531653).

The spelling of 1240003531232 in words is "one trillion, two hundred forty billion, three million, five hundred thirty-one thousand, two hundred thirty-two".