11027640 has 64 divisors (see below), whose sum is σ = 35632800. Its totient is φ = 2714112.

The previous prime is 11027633. The next prime is 11027659. The reversal of 11027640 is 4672011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1975 + ... + 5094.

Almost surely, 2^11027640 is an apocalyptic number.

11027640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11027640 is an abundant number, since it is smaller than the sum of its proper divisors (24605160).

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

11027640 is a wasteful number, since it uses less digits than its factorization.

11027640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096 (or 7092 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 11027640 is about 3320.7890628584. The cubic root of 11027640 is about 222.5841284357.

Adding to 11027640 its reverse (4672011), we get a palindrome (15699651).

The spelling of 11027640 in words is "eleven million, twenty-seven thousand, six hundred forty".