1513034440 has 16 divisors (see below), whose sum is σ = 3404327580. Its totient is φ = 605213760.

The previous prime is 1513034437. The next prime is 1513034441. The reversal of 1513034440 is 444303151.

It can be written as a sum of positive squares in 2 ways, for example, as 1492585956 + 20448484 = 38634^2 + 4522^2 .

It is a super-2 number, since 2×1513034440² = 4578546433252227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1513034441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18912891 + ... + 18912970.

Almost surely, 2^1513034440 is an apocalyptic number.

1513034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513034440 is an abundant number, since it is smaller than the sum of its proper divisors (1891293140).

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

1513034440 is a wasteful number, since it uses less digits than its factorization.

1513034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37825872 (or 37825868 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1513034440 is about 38897.7433792759. The cubic root of 1513034440 is about 1148.0203976838.

Adding to 1513034440 its reverse (444303151), we get a palindrome (1957337591).

The spelling of 1513034440 in words is "one billion, five hundred thirteen million, thirty-four thousand, four hundred forty".