1503132240 has 40 divisors (see below), whose sum is σ = 4659710688. Its totient is φ = 400835200.

The previous prime is 1503132229. The next prime is 1503132259. The reversal of 1503132240 is 422313051.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131286 + ... + 3131765.

Almost surely, 2^1503132240 is an apocalyptic number.

1503132240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1503132240 is an abundant number, since it is smaller than the sum of its proper divisors (3156578448).

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

1503132240 is a wasteful number, since it uses less digits than its factorization.

1503132240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263067 (or 6263061 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1503132240 is about 38770.2494188521. The cubic root of 1503132240 is about 1145.5104707572.

Adding to 1503132240 its reverse (422313051), we get a palindrome (1925445291).

The spelling of 1503132240 in words is "one billion, five hundred three million, one hundred thirty-two thousand, two hundred forty".