201014560644 has 12 divisors (see below), whose sum is σ = 469033974864. Its totient is φ = 67004853544.

The previous prime is 201014560619. The next prime is 201014560693. The reversal of 201014560644 is 446065410102.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8375606682 + ... + 8375606705.

It is an arithmetic number, because the mean of its divisors is an integer number (39086164572).

Almost surely, 2^201014560644 is an apocalyptic number.

It is an amenable number.

201014560644 is an abundant number, since it is smaller than the sum of its proper divisors (268019414220).

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

201014560644 is a wasteful number, since it uses less digits than its factorization.

201014560644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16751213394 (or 16751213392 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 201014560644 its reverse (446065410102), we get a palindrome (647079970746).

The spelling of 201014560644 in words is "two hundred one billion, fourteen million, five hundred sixty thousand, six hundred forty-four".