2440867391 has 8 divisors (see below), whose sum is σ = 2503473504. Its totient is φ = 2378407680.

The previous prime is 2440867381. The next prime is 2440867397. The reversal of 2440867391 is 1937680442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2440867391 - 2¹⁸ = 2440605247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440867397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2426 + ... + 69911.

It is an arithmetic number, because the mean of its divisors is an integer number (312934188).

Almost surely, 2^2440867391 is an apocalyptic number.

2440867391 is a deficient number, since it is larger than the sum of its proper divisors (62606113).

2440867391 is an equidigital number, since it uses as much as digits as its factorization.

2440867391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73201.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2440867391 is about 49405.1352695244. The cubic root of 2440867391 is about 1346.4226073972.

The spelling of 2440867391 in words is "two billion, four hundred forty million, eight hundred sixty-seven thousand, three hundred ninety-one".