2013435540 has 72 divisors (see below), whose sum is σ = 6207576648. Its totient is φ = 528111360.

The previous prime is 2013435539. The next prime is 2013435551. The reversal of 2013435540 is 455343102.

It can be written as a sum of positive squares in 4 ways, for example, as 74442384 + 1938993156 = 8628^2 + 44034^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80707 + ... + 102666.

Almost surely, 2^2013435540 is an apocalyptic number.

2013435540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013435540 is an abundant number, since it is smaller than the sum of its proper divisors (4194141108).

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

2013435540 is a wasteful number, since it uses less digits than its factorization.

2013435540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183449 (or 183444 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2013435540 is about 44871.3220219775. The cubic root of 2013435540 is about 1262.7360423932.

Adding to 2013435540 its reverse (455343102), we get a palindrome (2468778642).

The spelling of 2013435540 in words is "two billion, thirteen million, four hundred thirty-five thousand, five hundred forty".