1240031040424 has 128 divisors (see below), whose sum is σ = 2640107520000. Its totient is φ = 540926265600.

The previous prime is 1240031040407. The next prime is 1240031040467. The reversal of 1240031040424 is 4240401300421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292251247 + ... + 292255489.

It is an arithmetic number, because the mean of its divisors is an integer number (20625840000).

Almost surely, 2^{1240031040424} 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 1240031040424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320053760000).

1240031040424 is an abundant number, since it is smaller than the sum of its proper divisors (1400076479576).

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

1240031040424 is a wasteful number, since it uses less digits than its factorization.

1240031040424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159 (or 5155 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1240031040424 its reverse (4240401300421), we get a palindrome (5480432340845).

The spelling of 1240031040424 in words is "one trillion, two hundred forty billion, thirty-one million, forty thousand, four hundred twenty-four".