1102403440 has 40 divisors (see below), whose sum is σ = 2581553520. Its totient is φ = 437784576.

The previous prime is 1102403387. The next prime is 1102403453. The reversal of 1102403440 is 443042011.

1102403440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38449 + ... + 60688.

It is an arithmetic number, because the mean of its divisors is an integer number (64538838).

Almost surely, 2^1102403440 is an apocalyptic number.

1102403440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102403440 is an abundant number, since it is smaller than the sum of its proper divisors (1479150080).

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

1102403440 is a wasteful number, since it uses less digits than its factorization.

1102403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99289 (or 99283 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1102403440 is about 33202.4613545442. The cubic root of 1102403440 is about 1033.0313938030.

Adding to 1102403440 its reverse (443042011), we get a palindrome (1545445451).

The spelling of 1102403440 in words is "one billion, one hundred two million, four hundred three thousand, four hundred forty".