2306452440 has 64 divisors (see below), whose sum is σ = 6935493600. Its totient is φ = 613619712.

The previous prime is 2306452399. The next prime is 2306452453. The reversal of 2306452440 is 442546032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2306452398 and 2306452407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29766 + ... + 74154.

Almost surely, 2^2306452440 is an apocalyptic number.

2306452440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2306452440 is an abundant number, since it is smaller than the sum of its proper divisors (4629041160).

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

2306452440 is a wasteful number, since it uses less digits than its factorization.

2306452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44836 (or 44832 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2306452440 is about 48025.5394555855. The cubic root of 2306452440 is about 1321.2393548238.

Adding to 2306452440 its reverse (442546032), we get a palindrome (2748998472).

The spelling of 2306452440 in words is "two billion, three hundred six million, four hundred fifty-two thousand, four hundred forty".