45168219441 has 12 divisors (see below), whose sum is σ = 65712359440. Its totient is φ = 29895511320.

The previous prime is 45168219407. The next prime is 45168219451. The reversal of 45168219441 is 14491286154.

45168219441 is a `hidden beast` number, since 4 + 516 + 8 + 2 + 1 + 94 + 41 = 666.

It is not a de Polignac number, because 45168219441 - 2²⁹ = 44631348529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45168219451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18051595 + ... + 18054096.

Almost surely, 2^45168219441 is an apocalyptic number.

It is an amenable number.

45168219441 is a deficient number, since it is larger than the sum of its proper divisors (20544139999).

45168219441 is a wasteful number, since it uses less digits than its factorization.

45168219441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36105836 (or 36105833 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 45168219441 in words is "forty-five billion, one hundred sixty-eight million, two hundred nineteen thousand, four hundred forty-one".