402445214 has 12 divisors (see below), whose sum is σ = 631057056. Its totient is φ = 192473292.

The previous prime is 402445159. The next prime is 402445261. The reversal of 402445214 is 412544204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189134 + ... + 191249.

It is an arithmetic number, because the mean of its divisors is an integer number (52588088).

Almost surely, 2^402445214 is an apocalyptic number.

402445214 is a deficient number, since it is larger than the sum of its proper divisors (228611842).

402445214 is a wasteful number, since it uses less digits than its factorization.

402445214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380431 (or 380408 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 402445214 is about 20061.0372114704. The cubic root of 402445214 is about 738.3046249908.

Adding to 402445214 its reverse (412544204), we get a palindrome (814989418).

The spelling of 402445214 in words is "four hundred two million, four hundred forty-five thousand, two hundred fourteen".