2650540 has 12 divisors (see below), whose sum is σ = 5566176. Its totient is φ = 1060208.

The previous prime is 2650537. The next prime is 2650541. The reversal of 2650540 is 450562.

It is not an unprimeable number, because it can be changed into a prime (2650541) 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, 66244 + ... + 66283.

It is an arithmetic number, because the mean of its divisors is an integer number (463848).

2^2650540 is an apocalyptic number.

2650540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650540 is an abundant number, since it is smaller than the sum of its proper divisors (2915636).

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

2650540 is a wasteful number, since it uses less digits than its factorization.

2650540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132536 (or 132534 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2650540 is about 1628.0479108429. The cubic root of 2650540 is about 138.3921493091.

Adding to 2650540 its sum of digits (22), we get a palindrome (2650562).

The spelling of 2650540 in words is "two million, six hundred fifty thousand, five hundred forty".