324212550440 has 32 divisors (see below), whose sum is σ = 729842611680. Its totient is φ = 129620242752.

The previous prime is 324212550413. The next prime is 324212550457. The reversal of 324212550440 is 44055212423.

It is a super-2 number, since 2×324212550440² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 324212550397 and 324212550406.

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, 1943174 + ... + 2103413.

It is an arithmetic number, because the mean of its divisors is an integer number (22807581615).

Almost surely, 2^324212550440 is an apocalyptic number.

It is an amenable number.

324212550440 is an abundant number, since it is smaller than the sum of its proper divisors (405630061240).

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

324212550440 is a wasteful number, since it uses less digits than its factorization.

324212550440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048601 (or 4048597 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 324212550440 its reverse (44055212423), we get a palindrome (368267762863).

The spelling of 324212550440 in words is "three hundred twenty-four billion, two hundred twelve million, five hundred fifty thousand, four hundred forty".