201100013440 has 32 divisors (see below), whose sum is σ = 480754721160. Its totient is φ = 80440005120.

The previous prime is 201100013393. The next prime is 201100013453. The reversal of 201100013440 is 44310001102.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157108746 + ... + 157110025.

Almost surely, 2^201100013440 is an apocalyptic number.

201100013440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201100013440 is an abundant number, since it is smaller than the sum of its proper divisors (279654707720).

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

201100013440 is an equidigital number, since it uses as much as digits as its factorization.

201100013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314218790 (or 314218778 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201100013440 its reverse (44310001102), we get a palindrome (245410014542).

The spelling of 201100013440 in words is "two hundred one billion, one hundred million, thirteen thousand, four hundred forty".