404253532430340 has 96 divisors (see below), whose sum is σ = 1191628878935040. Its totient is φ = 102114798192000.

The previous prime is 404253532430333. The next prime is 404253532430347. The reversal of 404253532430340 is 43034235352404.

It is an interprime number because it is at equal distance from previous prime (404253532430333) and next prime (404253532430347).

It is a junction number, because it is equal to n+sod(n) for n = 404253532430292 and 404253532430301.

It is not an unprimeable number, because it can be changed into a prime (404253532430347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12157686 + ... + 30924365.

It is an arithmetic number, because the mean of its divisors is an integer number (12412800822240).

Almost surely, 2^{404253532430340} is an apocalyptic number.

It is an amenable number.

404253532430340 is an abundant number, since it is smaller than the sum of its proper divisors (787375346504700).

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

404253532430340 is a wasteful number, since it uses less digits than its factorization.

404253532430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43090313 (or 43090311 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 42.

Adding to 404253532430340 its reverse (43034235352404), we get a palindrome (447287767782744).

The spelling of 404253532430340 in words is "four hundred four trillion, two hundred fifty-three billion, five hundred thirty-two million, four hundred thirty thousand, three hundred forty".