1102406340 has 48 divisors (see below), whose sum is σ = 3527701632. Its totient is φ = 251978496.

The previous prime is 1102406323. The next prime is 1102406387. The reversal of 1102406340 is 436042011.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 1311969 + ... + 1312808.

It is an arithmetic number, because the mean of its divisors is an integer number (73493784).

Almost surely, 2^1102406340 is an apocalyptic number.

1102406340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102406340 is an abundant number, since it is smaller than the sum of its proper divisors (2425295292).

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

1102406340 is a wasteful number, since it uses less digits than its factorization.

1102406340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624796 (or 2624794 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1102406340 is about 33202.5050259766. The cubic root of 1102406340 is about 1033.0322996385.

Adding to 1102406340 its reverse (436042011), we get a palindrome (1538448351).

The spelling of 1102406340 in words is "one billion, one hundred two million, four hundred six thousand, three hundred forty".