1040503240 has 48 divisors (see below), whose sum is σ = 2723363100. Its totient is φ = 356743296.

The previous prime is 1040503223. The next prime is 1040503283. The reversal of 1040503240 is 423050401.

It can be written as a sum of positive squares in 2 ways, for example, as 1026946116 + 13557124 = 32046^2 + 3682^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263475 + ... + 267394.

Almost surely, 2^1040503240 is an apocalyptic number.

1040503240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040503240 is an abundant number, since it is smaller than the sum of its proper divisors (1682859860).

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

1040503240 is a wasteful number, since it uses less digits than its factorization.

1040503240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530894 (or 530883 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1040503240 is about 32256.8324545359. The cubic root of 1040503240 is about 1013.3227948850.

Adding to 1040503240 its reverse (423050401), we get a palindrome (1463553641).

The spelling of 1040503240 in words is "one billion, forty million, five hundred three thousand, two hundred forty".