201330440040 has 64 divisors (see below), whose sum is σ = 604022405760. Its totient is φ = 53685354240.

The previous prime is 201330440033. The next prime is 201330440083. The reversal of 201330440040 is 40044033102.

It is a junction number, because it is equal to n+sod(n) for n = 201330439989 and 201330440016.

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, 3514830 + ... + 3571650.

It is an arithmetic number, because the mean of its divisors is an integer number (9437850090).

Almost surely, 2^201330440040 is an apocalyptic number.

201330440040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201330440040 is an abundant number, since it is smaller than the sum of its proper divisors (402691965720).

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

201330440040 is a wasteful number, since it uses less digits than its factorization.

201330440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86362 (or 86358 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 201330440040 its reverse (40044033102), we get a palindrome (241374473142).

The spelling of 201330440040 in words is "two hundred one billion, three hundred thirty million, four hundred forty thousand, forty".