404501104340 has 12 divisors (see below), whose sum is σ = 849452319156. Its totient is φ = 161800441728.

The previous prime is 404501104331. The next prime is 404501104349. The reversal of 404501104340 is 43401105404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404501104331) and next prime (404501104349).

It can be written as a sum of positive squares in 2 ways, for example, as 83524468036 + 320976636304 = 289006^2 + 566548^2 .

It is a super-2 number, since 2×404501104340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404501104349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10112527589 + ... + 10112527628.

It is an arithmetic number, because the mean of its divisors is an integer number (70787693263).

Almost surely, 2^404501104340 is an apocalyptic number.

It is an amenable number.

404501104340 is an abundant number, since it is smaller than the sum of its proper divisors (444951214816).

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

404501104340 is a wasteful number, since it uses less digits than its factorization.

404501104340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20225055226 (or 20225055224 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 404501104340 its reverse (43401105404), we get a palindrome (447902209744).

The spelling of 404501104340 in words is "four hundred four billion, five hundred one million, one hundred four thousand, three hundred forty".