224121023330440 has 64 divisors (see below), whose sum is σ = 508739996453760. Its totient is φ = 88854168560640.

The previous prime is 224121023330431. The next prime is 224121023330447. The reversal of 224121023330440 is 44033320121422.

It is not an unprimeable number, because it can be changed into a prime (224121023330447) 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, 622255605 + ... + 622615675.

It is an arithmetic number, because the mean of its divisors is an integer number (7949062444590).

Almost surely, 2^{224121023330440} is an apocalyptic number.

224121023330440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224121023330440 is an abundant number, since it is smaller than the sum of its proper divisors (284618973123320).

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

224121023330440 is a wasteful number, since it uses less digits than its factorization.

224121023330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497902 (or 497898 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 224121023330440 its reverse (44033320121422), we get a palindrome (268154343451862).

The spelling of 224121023330440 in words is "two hundred twenty-four trillion, one hundred twenty-one billion, twenty-three million, three hundred thirty thousand, four hundred forty".