552640441646 has 16 divisors (see below), whose sum is σ = 874411891200. Its totient is φ = 261230535288.

The previous prime is 552640441553. The next prime is 552640441649. The reversal of 552640441646 is 646144046255.

It is a super-2 number, since 2×552640441646² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 552640441646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552640441649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15162560 + ... + 15198963.

It is an arithmetic number, because the mean of its divisors is an integer number (54650743200).

Almost surely, 2^552640441646 is an apocalyptic number.

552640441646 is a deficient number, since it is larger than the sum of its proper divisors (321771449554).

552640441646 is a wasteful number, since it uses less digits than its factorization.

552640441646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30362023.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 552640441646 in words is "five hundred fifty-two billion, six hundred forty million, four hundred forty-one thousand, six hundred forty-six".