224540404420 has 24 divisors (see below), whose sum is σ = 474699519000. Its totient is φ = 89213367552.

The previous prime is 224540404409. The next prime is 224540404433. The reversal of 224540404420 is 24404045422.

It can be written as a sum of positive squares in 4 ways, for example, as 10739591424 + 213800812996 = 103632^2 + 462386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37671585 + ... + 37677544.

It is an arithmetic number, because the mean of its divisors is an integer number (19779146625).

Almost surely, 2^224540404420 is an apocalyptic number.

224540404420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224540404420 is an abundant number, since it is smaller than the sum of its proper divisors (250159114580).

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

224540404420 is a wasteful number, since it uses less digits than its factorization.

224540404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75349287 (or 75349285 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 224540404420 its reverse (24404045422), we get a palindrome (248944449842).

The spelling of 224540404420 in words is "two hundred twenty-four billion, five hundred forty million, four hundred four thousand, four hundred twenty".