1043313140240 has 240 divisors, whose sum is σ = 2959703566848. Its totient is φ = 334870508544.

The previous prime is 1043313140231. The next prime is 1043313140257. The reversal of 1043313140240 is 420413133401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13885814 + ... + 13960746.

Almost surely, 2^{1043313140240} is an apocalyptic number.

1043313140240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043313140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479851783424).

1043313140240 is an abundant number, since it is smaller than the sum of its proper divisors (1916390426608).

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

1043313140240 is a wasteful number, since it uses less digits than its factorization.

1043313140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75046 (or 75017 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1043313140240 its reverse (420413133401), we get a palindrome (1463726273641).

The spelling of 1043313140240 in words is "one trillion, forty-three billion, three hundred thirteen million, one hundred forty thousand, two hundred forty".