201448955477 has 24 divisors (see below), whose sum is σ = 256317873600. Its totient is φ = 156951729480.

The previous prime is 201448955459. The next prime is 201448955489. The reversal of 201448955477 is 774559844102.

It is not a de Polignac number, because 201448955477 - 2¹² = 201448951381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201448955177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27565658 + ... + 27572964.

It is an arithmetic number, because the mean of its divisors is an integer number (10679911400).

Almost surely, 2^201448955477 is an apocalyptic number.

It is an amenable number.

201448955477 is a deficient number, since it is larger than the sum of its proper divisors (54868918123).

201448955477 is an frugal number, since it uses more digits than its factorization.

201448955477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14646 (or 7325 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 201448955477 in words is "two hundred one billion, four hundred forty-eight million, nine hundred fifty-five thousand, four hundred seventy-seven".