201440466545 has 16 divisors (see below), whose sum is σ = 242553355200. Its totient is φ = 160602773184.

The previous prime is 201440466527. The next prime is 201440466569. The reversal of 201440466545 is 545664044102.

It is a cyclic number.

It is not a de Polignac number, because 201440466545 - 2¹² = 201440462449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7154906 + ... + 7183004.

It is an arithmetic number, because the mean of its divisors is an integer number (15159584700).

Almost surely, 2^201440466545 is an apocalyptic number.

It is an amenable number.

201440466545 is a deficient number, since it is larger than the sum of its proper divisors (41112888655).

201440466545 is a wasteful number, since it uses less digits than its factorization.

201440466545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32944.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 201440466545 in words is "two hundred one billion, four hundred forty million, four hundred sixty-six thousand, five hundred forty-five".