1106420440 has 32 divisors (see below), whose sum is σ = 2530262160. Its totient is φ = 435312000.

The previous prime is 1106420389. The next prime is 1106420449. The reversal of 1106420440 is 440246011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106420449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224286 + ... + 229165.

Almost surely, 2^1106420440 is an apocalyptic number.

1106420440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1106420440 is an abundant number, since it is smaller than the sum of its proper divisors (1423841720).

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

1106420440 is a wasteful number, since it uses less digits than its factorization.

1106420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453523 (or 453519 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1106420440 is about 33262.8988514230. The cubic root of 1106420440 is about 1034.2846122556.

Adding to 1106420440 its reverse (440246011), we get a palindrome (1546666451).

The spelling of 1106420440 in words is "one billion, one hundred six million, four hundred twenty thousand, four hundred forty".