7118400641 has 8 divisors (see below), whose sum is σ = 7766170464. Its totient is φ = 6470737920.

The previous prime is 7118400589. The next prime is 7118400647. The reversal of 7118400641 is 1460048117.

7118400641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7118400641 - 2¹⁸ = 7118138497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7118400598 and 7118400607.

It is not an unprimeable number, because it can be changed into a prime (7118400647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185210 + ... + 220316.

It is an arithmetic number, because the mean of its divisors is an integer number (970771308).

Almost surely, 2^7118400641 is an apocalyptic number.

It is an amenable number.

7118400641 is a deficient number, since it is larger than the sum of its proper divisors (647769823).

7118400641 is a wasteful number, since it uses less digits than its factorization.

7118400641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53551.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 7118400641 is about 84370.6147956740. The cubic root of 7118400641 is about 1923.6562852657.

Adding to 7118400641 its reverse (1460048117), we get a palindrome (8578448758).

The spelling of 7118400641 in words is "seven billion, one hundred eighteen million, four hundred thousand, six hundred forty-one".