8403944955 has 64 divisors (see below), whose sum is σ = 15660241920. Its totient is φ = 3768823296.

The previous prime is 8403944903. The next prime is 8403944993. The reversal of 8403944955 is 5594493048.

8403944955 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8403944955 - 2¹⁴ = 8403928571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8403944898 and 8403944907.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3796429 + ... + 3798641.

It is an arithmetic number, because the mean of its divisors is an integer number (244691280).

Almost surely, 2^8403944955 is an apocalyptic number.

8403944955 is a deficient number, since it is larger than the sum of its proper divisors (7256296965).

8403944955 is a wasteful number, since it uses less digits than its factorization.

8403944955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 8403944955 is about 91673.0328668142. The cubic root of 8403944955 is about 2033.1108890552.

The spelling of 8403944955 in words is "eight billion, four hundred three million, nine hundred forty-four thousand, nine hundred fifty-five".