2400306040 has 48 divisors (see below), whose sum is σ = 5936306040. Its totient is φ = 872836800.

The previous prime is 2400306011. The next prime is 2400306047. The reversal of 2400306040 is 406030042.

It is a super-2 number, since 2×2400306040² = 11522938171320963200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2400305999 and 2400306017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400306047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243126 + ... + 252805.

Almost surely, 2^2400306040 is an apocalyptic number.

2400306040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400306040 is an abundant number, since it is smaller than the sum of its proper divisors (3536000000).

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

2400306040 is a wasteful number, since it uses less digits than its factorization.

2400306040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495964 (or 495949 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2400306040 is about 48992.9182637654. The cubic root of 2400306040 is about 1338.9228069845.

Adding to 2400306040 its reverse (406030042), we get a palindrome (2806336082).

The spelling of 2400306040 in words is "two billion, four hundred million, three hundred six thousand, forty".