324152521200040 has 128 divisors (see below), whose sum is σ = 786713156812800. Its totient is φ = 119494105758720.

The previous prime is 324152521200037. The next prime is 324152521200161. The reversal of 324152521200040 is 40002125251423.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 324152521199975 and 324152521200011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3926272281 + ... + 3926354839.

It is an arithmetic number, because the mean of its divisors is an integer number (6146196537600).

Almost surely, 2^{324152521200040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324152521200040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393356578406400).

324152521200040 is an abundant number, since it is smaller than the sum of its proper divisors (462560635612760).

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

324152521200040 is a wasteful number, since it uses less digits than its factorization.

324152521200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94667 (or 94663 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 324152521200040 its reverse (40002125251423), we get a palindrome (364154646451463).

The spelling of 324152521200040 in words is "three hundred twenty-four trillion, one hundred fifty-two billion, five hundred twenty-one million, two hundred thousand, forty".