201403330440 has 128 divisors (see below), whose sum is σ = 650859874560. Its totient is φ = 49563085824.

The previous prime is 201403330439. The next prime is 201403330463. The reversal of 201403330440 is 44033304102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 201403330440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6735202 + ... + 6765038.

It is an arithmetic number, because the mean of its divisors is an integer number (5084842770).

Almost surely, 2^201403330440 is an apocalyptic number.

201403330440 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 201403330440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325429937280).

201403330440 is an abundant number, since it is smaller than the sum of its proper divisors (449456544120).

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

201403330440 is a wasteful number, since it uses less digits than its factorization.

201403330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34191 (or 34187 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 201403330440 its reverse (44033304102), we get a palindrome (245436634542).

The spelling of 201403330440 in words is "two hundred one billion, four hundred three million, three hundred thirty thousand, four hundred forty".