402123040321204 has 48 divisors (see below), whose sum is σ = 746131637059200. Its totient is φ = 189247365014400.

The previous prime is 402123040321151. The next prime is 402123040321207.

402123040321204 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402123040321207) 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, 131234679 + ... + 134263870.

It is an arithmetic number, because the mean of its divisors is an integer number (15544409105400).

Almost surely, 2^{402123040321204} is an apocalyptic number.

It is an amenable number.

402123040321204 is a deficient number, since it is larger than the sum of its proper divisors (344008596737996).

402123040321204 is a wasteful number, since it uses less digits than its factorization.

402123040321204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265498840 (or 265498838 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 402123040321204 in words is "four hundred two trillion, one hundred twenty-three billion, forty million, three hundred twenty-one thousand, two hundred four".