1100406342 has 64 divisors (see below), whose sum is σ = 2636375040. Its totient is φ = 299380224.

The previous prime is 1100406289. The next prime is 1100406361. The reversal of 1100406342 is 2436040011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222634 + ... + 227522.

It is an arithmetic number, because the mean of its divisors is an integer number (41193360).

Almost surely, 2^1100406342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100406342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318187520).

1100406342 is an abundant number, since it is smaller than the sum of its proper divisors (1535968698).

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

1100406342 is a wasteful number, since it uses less digits than its factorization.

1100406342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157.

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

The square root of 1100406342 is about 33172.3731740736. The cubic root of 1100406342 is about 1032.4072085254.

Adding to 1100406342 its reverse (2436040011), we get a palindrome (3536446353).

The spelling of 1100406342 in words is "one billion, one hundred million, four hundred six thousand, three hundred forty-two".