1102268840 has 16 divisors (see below), whose sum is σ = 2480104980. Its totient is φ = 440907520.

The previous prime is 1102268809. The next prime is 1102268873. The reversal of 1102268840 is 488622011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1095477604 + 6791236 = 33098^2 + 2606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1102268797 and 1102268806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13778321 + ... + 13778400.

Almost surely, 2^1102268840 is an apocalyptic number.

1102268840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102268840 is an abundant number, since it is smaller than the sum of its proper divisors (1377836140).

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

1102268840 is a wasteful number, since it uses less digits than its factorization.

1102268840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27556732 (or 27556728 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1102268840 is about 33200.4343345083. The cubic root of 1102268840 is about 1032.9893487948.

The spelling of 1102268840 in words is "one billion, one hundred two million, two hundred sixty-eight thousand, eight hundred forty".