201302403440 has 20 divisors (see below), whose sum is σ = 468028088184. Its totient is φ = 80520961344.

The previous prime is 201302403409. The next prime is 201302403451. The reversal of 201302403440 is 44304203102.

It is a tau number, because it is divible by the number of its divisors (20).

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, 1258139942 + ... + 1258140101.

Almost surely, 2^201302403440 is an apocalyptic number.

201302403440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201302403440 is an abundant number, since it is smaller than the sum of its proper divisors (266725684744).

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

201302403440 is a wasteful number, since it uses less digits than its factorization.

201302403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516280056 (or 2516280050 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 201302403440 its reverse (44304203102), we get a palindrome (245606606542).

The spelling of 201302403440 in words is "two hundred one billion, three hundred two million, four hundred three thousand, four hundred forty".