201033440 has 48 divisors (see below), whose sum is σ = 476016912. Its totient is φ = 80231424.

The previous prime is 201033403. The next prime is 201033457. The reversal of 201033440 is 44330102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86372 + ... + 88668.

It is an arithmetic number, because the mean of its divisors is an integer number (9917019).

Almost surely, 2^201033440 is an apocalyptic number.

201033440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201033440 is an abundant number, since it is smaller than the sum of its proper divisors (274983472).

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

201033440 is a wasteful number, since it uses less digits than its factorization.

201033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 201033440 is about 14178.6261675806. The cubic root of 201033440 is about 585.8090833220.

Adding to 201033440 its reverse (44330102), we get a palindrome (245363542).

The spelling of 201033440 in words is "two hundred one million, thirty-three thousand, four hundred forty".