324212002640 has 80 divisors (see below), whose sum is σ = 758321464320. Its totient is φ = 128906749440.

The previous prime is 324212002613. The next prime is 324212002657. The reversal of 324212002640 is 46200212423.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×324212002640² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21797126 + ... + 21811994.

It is an arithmetic number, because the mean of its divisors is an integer number (9479018304).

Almost surely, 2^324212002640 is an apocalyptic number.

It is an amenable number.

324212002640 is an abundant number, since it is smaller than the sum of its proper divisors (434109461680).

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

324212002640 is a wasteful number, since it uses less digits than its factorization.

324212002640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500 (or 16494 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 324212002640 in words is "three hundred twenty-four billion, two hundred twelve million, two thousand, six hundred forty".