5640673455 has 24 divisors (see below), whose sum is σ = 9914879520. Its totient is φ = 2965986240.

The previous prime is 5640673447. The next prime is 5640673483. The reversal of 5640673455 is 5543760465.

5640673455 is a `hidden beast` number, since 564 + 0 + 6 + 7 + 34 + 55 = 666.

It is not a de Polignac number, because 5640673455 - 2³ = 5640673447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5640673455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879540 + ... + 885929.

It is an arithmetic number, because the mean of its divisors is an integer number (413119980).

Almost surely, 2^5640673455 is an apocalyptic number.

5640673455 is a deficient number, since it is larger than the sum of its proper divisors (4274206065).

5640673455 is a wasteful number, since it uses less digits than its factorization.

5640673455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765551 (or 1765548 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The square root of 5640673455 is about 75104.4170139147. The cubic root of 5640673455 is about 1780.0969369209.

The spelling of 5640673455 in words is "five billion, six hundred forty million, six hundred seventy-three thousand, four hundred fifty-five".