321002241010040 has 32 divisors (see below), whose sum is σ = 727451121726000. Its totient is φ = 127477148945664.

The previous prime is 321002241010039. The next prime is 321002241010043. The reversal of 321002241010040 is 40010142200123.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 321002241009994 and 321002241010021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321002241010043) 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, 28867102445 + ... + 28867113564.

Almost surely, 2^{321002241010040} is an apocalyptic number.

It is an amenable number.

321002241010040 is an abundant number, since it is smaller than the sum of its proper divisors (406448880715960).

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

321002241010040 is a wasteful number, since it uses less digits than its factorization.

321002241010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57734216159 (or 57734216155 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 321002241010040 its reverse (40010142200123), we get a palindrome (361012383210163).

The spelling of 321002241010040 in words is "three hundred twenty-one trillion, two billion, two hundred forty-one million, ten thousand, forty".