201455632 has 80 divisors (see below), whose sum is σ = 481219200. Its totient is φ = 79764480.

The previous prime is 201455629. The next prime is 201455659. The reversal of 201455632 is 236554102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 201455632.

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, 86094 + ... + 88402.

It is an arithmetic number, because the mean of its divisors is an integer number (6015240).

Almost surely, 2^201455632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201455632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240609600).

201455632 is an abundant number, since it is smaller than the sum of its proper divisors (279763568).

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

201455632 is a wasteful number, since it uses less digits than its factorization.

201455632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 201455632 is about 14193.5066843962. The cubic root of 201455632 is about 586.2188840904.

The spelling of 201455632 in words is "two hundred one million, four hundred fifty-five thousand, six hundred thirty-two".