321063905740 has 12 divisors (see below), whose sum is σ = 674234202096. Its totient is φ = 128425562288.

The previous prime is 321063905707. The next prime is 321063905759. The reversal of 321063905740 is 47509360123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321063905693 and 321063905702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8026597624 + ... + 8026597663.

It is an arithmetic number, because the mean of its divisors is an integer number (56186183508).

Almost surely, 2^321063905740 is an apocalyptic number.

It is an amenable number.

321063905740 is an abundant number, since it is smaller than the sum of its proper divisors (353170296356).

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

321063905740 is a wasteful number, since it uses less digits than its factorization.

321063905740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16053195296 (or 16053195294 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 321063905740 in words is "three hundred twenty-one billion, sixty-three million, nine hundred five thousand, seven hundred forty".