45207440447 has 16 divisors (see below), whose sum is σ = 50910612480. Its totient is φ = 39830004192.

The previous prime is 45207440419. The next prime is 45207440477. The reversal of 45207440447 is 74404470254.

45207440447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45207440447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45207440477) 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, 22247 + ... + 301512.

It is an arithmetic number, because the mean of its divisors is an integer number (3181913280).

Almost surely, 2^45207440447 is an apocalyptic number.

45207440447 is a deficient number, since it is larger than the sum of its proper divisors (5703172033).

45207440447 is a wasteful number, since it uses less digits than its factorization.

45207440447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324262.

The product of its (nonzero) digits is 501760, while the sum is 41.

The spelling of 45207440447 in words is "forty-five billion, two hundred seven million, four hundred forty thousand, four hundred forty-seven".