201452040 has 96 divisors (see below), whose sum is σ = 693253080. Its totient is φ = 50558976.

The previous prime is 201452021. The next prime is 201452047. The reversal of 201452040 is 40254102.

It can be written as a sum of positive squares in 4 ways, for example, as 184362084 + 17089956 = 13578^2 + 4134^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201452047) 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, 10339 + ... + 22578.

Almost surely, 2^201452040 is an apocalyptic number.

201452040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201452040 is an abundant number, since it is smaller than the sum of its proper divisors (491801040).

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

201452040 is a wasteful number, since it uses less digits than its factorization.

201452040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32951 (or 32944 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 201452040 is about 14193.3801470967. The cubic root of 201452040 is about 586.2153999307.

The spelling of 201452040 in words is "two hundred one million, four hundred fifty-two thousand, forty".