32644153345 has 16 divisors (see below), whose sum is σ = 40971059712. Its totient is φ = 24921878080.

The previous prime is 32644153343. The next prime is 32644153357. The reversal of 32644153345 is 54335144623.

It is not a de Polignac number, because 32644153345 - 2¹ = 32644153343 is a prime.

It is a super-2 number, since 2×32644153345² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32644153298 and 32644153307.

It is not an unprimeable number, because it can be changed into a prime (32644153343) 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, 279742 + ... + 378871.

It is an arithmetic number, because the mean of its divisors is an integer number (2560691232).

Almost surely, 2^32644153345 is an apocalyptic number.

It is an amenable number.

32644153345 is a deficient number, since it is larger than the sum of its proper divisors (8326906367).

32644153345 is a wasteful number, since it uses less digits than its factorization.

32644153345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659072.

The product of its digits is 518400, while the sum is 40.

Adding to 32644153345 its reverse (54335144623), we get a palindrome (86979297968).

The spelling of 32644153345 in words is "thirty-two billion, six hundred forty-four million, one hundred fifty-three thousand, three hundred forty-five".