402214404 has 24 divisors (see below), whose sum is σ = 939264480. Its totient is φ = 133962304.

The previous prime is 402214381. The next prime is 402214411. The reversal of 402214404 is 404412204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467 + ... + 28469.

It is an arithmetic number, because the mean of its divisors is an integer number (39136020).

Almost surely, 2^402214404 is an apocalyptic number.

It is an amenable number.

402214404 is an abundant number, since it is smaller than the sum of its proper divisors (537050076).

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

402214404 is a wasteful number, since it uses less digits than its factorization.

402214404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27299 (or 27297 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 402214404 is about 20055.2836928327. The cubic root of 402214404 is about 738.1634540750.

Adding to 402214404 its reverse (404412204), we get a palindrome (806626608).

The spelling of 402214404 in words is "four hundred two million, two hundred fourteen thousand, four hundred four".