201048540 has 96 divisors (see below), whose sum is σ = 701858304. Its totient is φ = 41775360.

The previous prime is 201048527. The next prime is 201048541. The reversal of 201048540 is 45840102.

It is a super-2 number, since 2×201048540² = 80841030872263200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201048540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201048541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17139 + ... + 26378.

It is an arithmetic number, because the mean of its divisors is an integer number (7311024).

Almost surely, 2^201048540 is an apocalyptic number.

201048540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201048540 is an abundant number, since it is smaller than the sum of its proper divisors (500809764).

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

201048540 is a wasteful number, since it uses less digits than its factorization.

201048540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43547 (or 43545 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 201048540 is about 14179.1586492288. The cubic root of 201048540 is about 585.8237500290.

Adding to 201048540 its reverse (45840102), we get a palindrome (246888642).

The spelling of 201048540 in words is "two hundred one million, forty-eight thousand, five hundred forty".