9645454546440 has 32 divisors (see below), whose sum is σ = 28936363639680. Its totient is φ = 2572121212352.

The previous prime is 9645454546439. The next prime is 9645454546487. The reversal of 9645454546440 is 446454545469.

It is a super-2 number, since 2×9645454546440² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 7 ways as a sum of consecutive naturals, for example, 40189393824 + ... + 40189394063.

It is an arithmetic number, because the mean of its divisors is an integer number (904261363740).

Almost surely, 2^{9645454546440} is an apocalyptic number.

It is an amenable number.

9645454546440 is an abundant number, since it is smaller than the sum of its proper divisors (19290909093240).

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

9645454546440 is a wasteful number, since it uses less digits than its factorization.

9645454546440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80378787901 (or 80378787897 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 60.

The spelling of 9645454546440 in words is "nine trillion, six hundred forty-five billion, four hundred fifty-four million, five hundred forty-six thousand, four hundred forty".