320144002452 has 60 divisors (see below), whose sum is σ = 837932356800. Its totient is φ = 106585539984.

The previous prime is 320144002439. The next prime is 320144002471. The reversal of 320144002452 is 254200441023.

320144002452 is a `hidden beast` number, since 3 + 2 + 0 + 14 + 400 + 245 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 329452 + ... + 865347.

It is an arithmetic number, because the mean of its divisors is an integer number (13965539280).

Almost surely, 2^320144002452 is an apocalyptic number.

It is an amenable number.

320144002452 is an abundant number, since it is smaller than the sum of its proper divisors (517788354348).

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

320144002452 is a wasteful number, since it uses less digits than its factorization.

320144002452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195642 (or 1195631 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 320144002452 its reverse (254200441023), we get a palindrome (574344443475).

The spelling of 320144002452 in words is "three hundred twenty billion, one hundred forty-four million, two thousand, four hundred fifty-two".