224121534040 has 64 divisors (see below), whose sum is σ = 521737588800. Its totient is φ = 86544772608.

The previous prime is 224121534031. The next prime is 224121534053. The reversal of 224121534040 is 40435121422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14662882 + ... + 14678158.

It is an arithmetic number, because the mean of its divisors is an integer number (8152149825).

Almost surely, 2^224121534040 is an apocalyptic number.

224121534040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224121534040 is an abundant number, since it is smaller than the sum of its proper divisors (297616054760).

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

224121534040 is a wasteful number, since it uses less digits than its factorization.

224121534040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27964 (or 27960 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 224121534040 its reverse (40435121422), we get a palindrome (264556655462).

The spelling of 224121534040 in words is "two hundred twenty-four billion, one hundred twenty-one million, five hundred thirty-four thousand, forty".