321115096480 has 48 divisors (see below), whose sum is σ = 759075365664. Its totient is φ = 128371380480.

The previous prime is 321115096447. The next prime is 321115096481. The reversal of 321115096480 is 84690511123.

It is a super-2 number, since 2×321115096480² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (321115096481) 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, 306726 + ... + 858085.

It is an arithmetic number, because the mean of its divisors is an integer number (15814070118).

Almost surely, 2^321115096480 is an apocalyptic number.

It is an amenable number.

321115096480 is an abundant number, since it is smaller than the sum of its proper divisors (437960269184).

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

321115096480 is a wasteful number, since it uses less digits than its factorization.

321115096480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166549 (or 1166541 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 321115096480 in words is "three hundred twenty-one billion, one hundred fifteen million, ninety-six thousand, four hundred eighty".