5445651622464 has 105 divisors (see below), whose sum is σ = 16143115452211. Its totient is φ = 1815161201280.

The previous prime is 5445651622451. The next prime is 5445651622469. The reversal of 5445651622464 is 4642261565445.

The square root of 5445651622464 is 2333592.

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

5445651622464 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 6 + 5 + 1 + 622 + 4 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5445651622464.

It is not an unprimeable number, because it can be changed into a prime (5445651622469) 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 14 ways as a sum of consecutive naturals, for example, 168002419 + ... + 168034829.

Almost surely, 2^{5445651622464} is an apocalyptic number.

5445651622464 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5445651622464 is the 2333592-nd square number.

It is an amenable number.

5445651622464 is an abundant number, since it is smaller than the sum of its proper divisors (10697463829747).

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

5445651622464 is an frugal number, since it uses more digits than its factorization.

5445651622464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64846 (or 32416 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 54.

The spelling of 5445651622464 in words is "five trillion, four hundred forty-five billion, six hundred fifty-one million, six hundred twenty-two thousand, four hundred sixty-four".