1043838240 has 48 divisors (see below), whose sum is σ = 3288091968. Its totient is φ = 278356736.

The previous prime is 1043838203. The next prime is 1043838241. The reversal of 1043838240 is 428383401.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1043838241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086852 + ... + 1087811.

It is an arithmetic number, because the mean of its divisors is an integer number (68501916).

Almost surely, 2^1043838240 is an apocalyptic number.

1043838240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043838240 is an abundant number, since it is smaller than the sum of its proper divisors (2244253728).

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

1043838240 is a wasteful number, since it uses less digits than its factorization.

1043838240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174681 (or 2174673 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 1043838240 is about 32308.4855726789. The cubic root of 1043838240 is about 1014.4042675304.

The spelling of 1043838240 in words is "one billion, forty-three million, eight hundred thirty-eight thousand, two hundred forty".