1513255040 has 96 divisors (see below), whose sum is σ = 3976601580. Its totient is φ = 550246400.

The previous prime is 1513255039. The next prime is 1513255067. The reversal of 1513255040 is 405523151.

It can be written as a sum of positive squares in 2 ways, for example, as 1451914816 + 61340224 = 38104^2 + 7832^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67670 + ... + 87210.

Almost surely, 2^1513255040 is an apocalyptic number.

1513255040 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 1513255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988300790).

1513255040 is an abundant number, since it is smaller than the sum of its proper divisors (2463346540).

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

1513255040 is a wasteful number, since it uses less digits than its factorization.

1513255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19582 (or 19559 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1513255040 is about 38900.5789160007. The cubic root of 1513255040 is about 1148.0761886572.

Adding to 1513255040 its reverse (405523151), we get a palindrome (1918778191).

The spelling of 1513255040 in words is "one billion, five hundred thirteen million, two hundred fifty-five thousand, forty".