7945440633 has 16 divisors (see below), whose sum is σ = 12676487040. Its totient is φ = 4889501712.

The previous prime is 7945440611. The next prime is 7945440641. The reversal of 7945440633 is 3360445497.

7945440633 is a `hidden beast` number, since 7 + 9 + 4 + 5 + 4 + 4 + 0 + 633 = 666.

7945440633 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-7945440633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7945340633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11317941 + ... + 11318642.

It is an arithmetic number, because the mean of its divisors is an integer number (792280440).

Almost surely, 2^7945440633 is an apocalyptic number.

It is an amenable number.

7945440633 is a deficient number, since it is larger than the sum of its proper divisors (4731046407).

7945440633 is a wasteful number, since it uses less digits than its factorization.

7945440633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22636605 (or 22636599 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 7945440633 is about 89137.2011732475. The cubic root of 7945440633 is about 1995.4430108944.

The spelling of 7945440633 in words is "seven billion, nine hundred forty-five million, four hundred forty thousand, six hundred thirty-three".