205944652264 has 32 divisors (see below), whose sum is σ = 424697656320. Its totient is φ = 93029006016.

The previous prime is 205944652261. The next prime is 205944652279. The reversal of 205944652264 is 462256449502.

It is a happy number.

205944652264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205944652264² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205944652261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21061464 + ... + 21071239.

It is an arithmetic number, because the mean of its divisors is an integer number (13271801760).

Almost surely, 2^205944652264 is an apocalyptic number.

It is an amenable number.

205944652264 is an abundant number, since it is smaller than the sum of its proper divisors (218753004056).

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

205944652264 is a wasteful number, since it uses less digits than its factorization.

205944652264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42132769 (or 42132765 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 205944652264 in words is "two hundred five billion, nine hundred forty-four million, six hundred fifty-two thousand, two hundred sixty-four".