1503163040 has 72 divisors (see below), whose sum is σ = 3636445428. Its totient is φ = 587166720.

The previous prime is 1503163009. The next prime is 1503163043. The reversal of 1503163040 is 403613051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1393080976 + 110082064 = 37324^2 + 10492^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1503162997 and 1503163015.

It is not an unprimeable number, because it can be changed into a prime (1503163043) by changing a digit.

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, 293300 + ... + 298380.

Almost surely, 2^1503163040 is an apocalyptic number.

1503163040 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 1503163040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818222714).

1503163040 is an abundant number, since it is smaller than the sum of its proper divisors (2133282388).

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

1503163040 is an equidigital number, since it uses as much as digits as its factorization.

1503163040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1503163040 is about 38770.6466286029. The cubic root of 1503163040 is about 1145.5182947487.

Adding to 1503163040 its reverse (403613051), we get a palindrome (1906776091).

The spelling of 1503163040 in words is "one billion, five hundred three million, one hundred sixty-three thousand, forty".