324400145504 has 48 divisors (see below), whose sum is σ = 648021170160. Its totient is φ = 159833402880.

The previous prime is 324400145501. The next prime is 324400145557. The reversal of 324400145504 is 405541004423.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324400145501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876194 + ... + 1190174.

It is an arithmetic number, because the mean of its divisors is an integer number (13500441045).

Almost surely, 2^324400145504 is an apocalyptic number.

It is an amenable number.

324400145504 is a deficient number, since it is larger than the sum of its proper divisors (323621024656).

324400145504 is a wasteful number, since it uses less digits than its factorization.

324400145504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314463 (or 314455 counting only the distinct ones).

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

Adding to 324400145504 its reverse (405541004423), we get a palindrome (729941149927).

The spelling of 324400145504 in words is "three hundred twenty-four billion, four hundred million, one hundred forty-five thousand, five hundred four".