321040401234 has 32 divisors (see below), whose sum is σ = 741072053376. Its totient is φ = 90817651200.

The previous prime is 321040401221. The next prime is 321040401239. The reversal of 321040401234 is 432104040123.

It is not an unprimeable number, because it can be changed into a prime (321040401239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37836447 + ... + 37844930.

It is an arithmetic number, because the mean of its divisors is an integer number (23158501668).

Almost surely, 2^321040401234 is an apocalyptic number.

321040401234 is an abundant number, since it is smaller than the sum of its proper divisors (420031652142).

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

321040401234 is a wasteful number, since it uses less digits than its factorization.

321040401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75681490.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 321040401234 its reverse (432104040123), we get a palindrome (753144441357).

The spelling of 321040401234 in words is "three hundred twenty-one billion, forty million, four hundred one thousand, two hundred thirty-four".