201408667548 has 48 divisors (see below), whose sum is σ = 513505050240. Its totient is φ = 60934305600.

The previous prime is 201408667517. The next prime is 201408667561. The reversal of 201408667548 is 845766804102.

It is a self number, because there is not a number n which added to its sum of digits gives 201408667548.

It is a congruent number.

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, 1150783 + ... + 1314198.

It is an arithmetic number, because the mean of its divisors is an integer number (10698021880).

Almost surely, 2^201408667548 is an apocalyptic number.

It is an amenable number.

201408667548 is an abundant number, since it is smaller than the sum of its proper divisors (312096382692).

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

201408667548 is a wasteful number, since it uses less digits than its factorization.

201408667548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465618 (or 2465616 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 201408667548 in words is "two hundred one billion, four hundred eight million, six hundred sixty-seven thousand, five hundred forty-eight".