1043113240 has 64 divisors (see below), whose sum is σ = 2544696000. Its totient is φ = 382536192.

The previous prime is 1043113199. The next prime is 1043113259. The reversal of 1043113240 is 423113401.

It is a super-3 number, since 3×1043113240³ (a number of 28 digits) contains 333 as substring.

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, 70749 + ... + 84211.

It is an arithmetic number, because the mean of its divisors is an integer number (39760875).

Almost surely, 2^1043113240 is an apocalyptic number.

1043113240 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 1043113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272348000).

1043113240 is an abundant number, since it is smaller than the sum of its proper divisors (1501582760).

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

1043113240 is a wasteful number, since it uses less digits than its factorization.

1043113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13636 (or 13632 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1043113240 is about 32297.2636611834. The cubic root of 1043113240 is about 1014.1693609458.

Adding to 1043113240 its reverse (423113401), we get a palindrome (1466226641).

The spelling of 1043113240 in words is "one billion, forty-three million, one hundred thirteen thousand, two hundred forty".