5223440961 has 48 divisors (see below), whose sum is σ = 8137179648. Its totient is φ = 3216998400.

The previous prime is 5223440947. The next prime is 5223440977. The reversal of 5223440961 is 1690443225.

It is a happy number.

5223440961 is a `hidden beast` number, since 522 + 3 + 4 + 40 + 96 + 1 = 666.

It is not a de Polignac number, because 5223440961 - 2⁶ = 5223440897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5223448961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2790856 + ... + 2792726.

It is an arithmetic number, because the mean of its divisors is an integer number (169524576).

Almost surely, 2^5223440961 is an apocalyptic number.

5223440961 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5223440961 is a deficient number, since it is larger than the sum of its proper divisors (2913738687).

5223440961 is a wasteful number, since it uses less digits than its factorization.

5223440961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 5223440961 is about 72273.3765711828. The cubic root of 5223440961 is about 1735.0775750070.

The spelling of 5223440961 in words is "five billion, two hundred twenty-three million, four hundred forty thousand, nine hundred sixty-one".