404011201340 has 48 divisors (see below), whose sum is σ = 877239556704. Its totient is φ = 156189388800.

The previous prime is 404011201337. The next prime is 404011201343. The reversal of 404011201340 is 43102110404.

It is an interprime number because it is at equal distance from previous prime (404011201337) and next prime (404011201343).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404011201343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2214581 + ... + 2390060.

It is an arithmetic number, because the mean of its divisors is an integer number (18275824098).

Almost surely, 2^404011201340 is an apocalyptic number.

It is an amenable number.

404011201340 is an abundant number, since it is smaller than the sum of its proper divisors (473228355364).

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

404011201340 is a wasteful number, since it uses less digits than its factorization.

404011201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604798 (or 4604796 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 404011201340 its reverse (43102110404), we get a palindrome (447113311744).

The spelling of 404011201340 in words is "four hundred four billion, eleven million, two hundred one thousand, three hundred forty".