224431404390 has 96 divisors (see below), whose sum is σ = 590291301600. Its totient is φ = 59156697600.

The previous prime is 224431404359. The next prime is 224431404391. The reversal of 224431404390 is 93404134422.

224431404390 is a `hidden beast` number, since 2 + 244 + 3 + 1 + 404 + 3 + 9 + 0 = 666.

It is a super-2 number, since 2×224431404390² (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 (224431404391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4083090 + ... + 4137690.

It is an arithmetic number, because the mean of its divisors is an integer number (6148867725).

Almost surely, 2^224431404390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224431404390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295145650800).

224431404390 is an abundant number, since it is smaller than the sum of its proper divisors (365859897210).

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

224431404390 is a wasteful number, since it uses less digits than its factorization.

224431404390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55142 (or 55139 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 224431404390 in words is "two hundred twenty-four billion, four hundred thirty-one million, four hundred four thousand, three hundred ninety".