402421333204 has 24 divisors (see below), whose sum is σ = 772239541248. Its totient is φ = 181971018240.

The previous prime is 402421333201. The next prime is 402421333247. The reversal of 402421333204 is 402333124204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402421333201) 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, 23685652 + ... + 23702635.

It is an arithmetic number, because the mean of its divisors is an integer number (32176647552).

Almost surely, 2^402421333204 is an apocalyptic number.

402421333204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402421333204 is a deficient number, since it is larger than the sum of its proper divisors (369818208044).

402421333204 is a wasteful number, since it uses less digits than its factorization.

402421333204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47388495 (or 47388493 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 402421333204 its reverse (402333124204), we get a palindrome (804754457408).

The spelling of 402421333204 in words is "four hundred two billion, four hundred twenty-one million, three hundred thirty-three thousand, two hundred four".