201115040 has 96 divisors (see below), whose sum is σ = 550126080. Its totient is φ = 68050944.

The previous prime is 201115037. The next prime is 201115051. The reversal of 201115040 is 40511102.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 87344 + ... + 89616.

It is an arithmetic number, because the mean of its divisors is an integer number (5730480).

Almost surely, 2^201115040 is an apocalyptic number.

201115040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201115040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275063040).

201115040 is an abundant number, since it is smaller than the sum of its proper divisors (349011040).

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

201115040 is a wasteful number, since it uses less digits than its factorization.

201115040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 201115040 is about 14181.5034463910. The cubic root of 201115040 is about 585.8883330810. Note that the first 3 decimals are identical.

Adding to 201115040 its reverse (40511102), we get a palindrome (241626142).

The spelling of 201115040 in words is "two hundred one million, one hundred fifteen thousand, forty".