321629986048 has 72 divisors (see below), whose sum is σ = 776878385472. Its totient is φ = 129733091328.

The previous prime is 321629986043. The next prime is 321629986049. The reversal of 321629986048 is 840689926123.

It is a junction number, because it is equal to n+sod(n) for n = 321629985983 and 321629986001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321629986043) 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, 5248390 + ... + 5309317.

It is an arithmetic number, because the mean of its divisors is an integer number (10789977576).

Almost surely, 2^321629986048 is an apocalyptic number.

It is an amenable number.

321629986048 is an abundant number, since it is smaller than the sum of its proper divisors (455248399424).

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

321629986048 is a wasteful number, since it uses less digits than its factorization.

321629986048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557747 (or 10557733 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 321629986048 in words is "three hundred twenty-one billion, six hundred twenty-nine million, nine hundred eighty-six thousand, forty-eight".