4040280307 has 4 divisors (see below), whose sum is σ = 4617463216. Its totient is φ = 3463097400.

The previous prime is 4040280281. The next prime is 4040280311. The reversal of 4040280307 is 7030820404.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-4040280307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040280397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 288591444 + ... + 288591457.

It is an arithmetic number, because the mean of its divisors is an integer number (1154365804).

Almost surely, 2^4040280307 is an apocalyptic number.

4040280307 is a deficient number, since it is larger than the sum of its proper divisors (577182909).

4040280307 is an equidigital number, since it uses as much as digits as its factorization.

4040280307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577182908.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4040280307 is about 63563.1993137539. The cubic root of 4040280307 is about 1592.7116823169.

The spelling of 4040280307 in words is "four billion, forty million, two hundred eighty thousand, three hundred seven".