2606335540 has 24 divisors (see below), whose sum is σ = 5649864192. Its totient is φ = 1008903840.

The previous prime is 2606335493. The next prime is 2606335547. The reversal of 2606335540 is 455336062.

It is a junction number, because it is equal to n+sod(n) for n = 2606335496 and 2606335505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606335547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101264 + ... + 2102503.

It is an arithmetic number, because the mean of its divisors is an integer number (235411008).

Almost surely, 2^2606335540 is an apocalyptic number.

2606335540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2606335540 is an abundant number, since it is smaller than the sum of its proper divisors (3043528652).

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

2606335540 is a wasteful number, since it uses less digits than its factorization.

2606335540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203807 (or 4203805 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 2606335540 is about 51052.2824171457. The cubic root of 2606335540 is about 1376.1848590257.

The spelling of 2606335540 in words is "two billion, six hundred six million, three hundred thirty-five thousand, five hundred forty".