2406322440 has 48 divisors (see below), whose sum is σ = 7820549100. Its totient is φ = 641685888.

The previous prime is 2406322427. The next prime is 2406322489. The reversal of 2406322440 is 442236042.

2406322440 is a `hidden beast` number, since 2 + 4 + 0 + 632 + 24 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2392970724 + 13351716 = 48918^2 + 3654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3341755 + ... + 3342474.

Almost surely, 2^2406322440 is an apocalyptic number.

2406322440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2406322440 is an abundant number, since it is smaller than the sum of its proper divisors (5414226660).

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

2406322440 is a wasteful number, since it uses less digits than its factorization.

2406322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684246 (or 6684239 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2406322440 is about 49054.2805471653. The cubic root of 2406322440 is about 1340.0405497494.

Adding to 2406322440 its reverse (442236042), we get a palindrome (2848558482).

The spelling of 2406322440 in words is "two billion, four hundred six million, three hundred twenty-two thousand, four hundred forty".