40454483689 has 9 divisors (see below), whose sum is σ = 40775796477. Its totient is φ = 40135687884.

The previous prime is 40454483683. The next prime is 40454483723. The reversal of 40454483689 is 98638445404.

The square root of 40454483689 is 201133.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-40454483689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40454483683) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27956764 + ... + 27958210.

It is an arithmetic number, because the mean of its divisors is an integer number (4530644053).

Almost surely, 2^40454483689 is an apocalyptic number.

40454483689 is the 201133-rd square number.

40454483689 is the 100567-th centered octagonal number.

It is an amenable number.

40454483689 is a deficient number, since it is larger than the sum of its proper divisors (321312788).

40454483689 is an frugal number, since it uses more digits than its factorization.

40454483689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 40454483689 in words is "forty billion, four hundred fifty-four million, four hundred eighty-three thousand, six hundred eighty-nine".