4545831672 has 32 divisors (see below), whose sum is σ = 12627310800. Its totient is φ = 1515277152.

The previous prime is 4545831659. The next prime is 4545831679. The reversal of 4545831672 is 2761385454.

4545831672 is a `hidden beast` number, since 4 + 5 + 4 + 583 + 1 + 67 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545831679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10522543 + ... + 10522974.

Almost surely, 2^4545831672 is an apocalyptic number.

It is an amenable number.

4545831672 is an abundant number, since it is smaller than the sum of its proper divisors (8081479128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545831672 is a wasteful number, since it uses less digits than its factorization.

4545831672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21045532 (or 21045522 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 4545831672 is about 67422.7830336304. The cubic root of 4545831672 is about 1656.5496232740.

The spelling of 4545831672 in words is "four billion, five hundred forty-five million, eight hundred thirty-one thousand, six hundred seventy-two".