321253463800 has 48 divisors (see below), whose sum is σ = 747086446800. Its totient is φ = 128471769600.

The previous prime is 321253463761. The next prime is 321253463801. The reversal of 321253463800 is 8364352123.

It is a self number, because there is not a number n which added to its sum of digits gives 321253463800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321253463801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695296 + ... + 1061104.

It is an arithmetic number, because the mean of its divisors is an integer number (15564300975).

Almost surely, 2^321253463800 is an apocalyptic number.

It is an amenable number.

321253463800 is an abundant number, since it is smaller than the sum of its proper divisors (425832983000).

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

321253463800 is a wasteful number, since it uses less digits than its factorization.

321253463800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370216 (or 370207 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 321253463800 in words is "three hundred twenty-one billion, two hundred fifty-three million, four hundred sixty-three thousand, eight hundred".