7440080957 has 4 divisors (see below), whose sum is σ = 7877732796. Its totient is φ = 7002429120.

The previous prime is 7440080927. The next prime is 7440080959. The reversal of 7440080957 is 7590800447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7590800447 = 19 ⋅399515813.

It can be written as a sum of positive squares in 2 ways, for example, as 2294314201 + 5145766756 = 47899^2 + 71734^2 .

It is a cyclic number.

It is not a de Polignac number, because 7440080957 - 2⁸ = 7440080701 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 (7440080959) 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 3 ways as a sum of consecutive naturals, for example, 218825894 + ... + 218825927.

It is an arithmetic number, because the mean of its divisors is an integer number (1969433199).

Almost surely, 2^7440080957 is an apocalyptic number.

It is an amenable number.

7440080957 is a deficient number, since it is larger than the sum of its proper divisors (437651839).

7440080957 is a wasteful number, since it uses less digits than its factorization.

7440080957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437651838.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 7440080957 is about 86255.9038964870. The cubic root of 7440080957 is about 1952.2070961472.

The spelling of 7440080957 in words is "seven billion, four hundred forty million, eighty thousand, nine hundred fifty-seven".