1102440440 has 16 divisors (see below), whose sum is σ = 2480491080. Its totient is φ = 440976160.

The previous prime is 1102440433. The next prime is 1102440457. The reversal of 1102440440 is 440442011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13780466 + ... + 13780545.

Almost surely, 2^1102440440 is an apocalyptic number.

1102440440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102440440 is an abundant number, since it is smaller than the sum of its proper divisors (1378050640).

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

1102440440 is a wasteful number, since it uses less digits than its factorization.

1102440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27561022 (or 27561018 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1102440440 is about 33203.0185374764. The cubic root of 1102440440 is about 1033.0429508951.

Adding to 1102440440 its reverse (440442011), we get a palindrome (1542882451).

The spelling of 1102440440 in words is "one billion, one hundred two million, four hundred forty thousand, four hundred forty".