402235412 has 12 divisors (see below), whose sum is σ = 704378976. Its totient is φ = 200984280.

The previous prime is 402235387. The next prime is 402235441. The reversal of 402235412 is 214532204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26414 + ... + 38757.

It is an arithmetic number, because the mean of its divisors is an integer number (58698248).

Almost surely, 2^402235412 is an apocalyptic number.

It is an amenable number.

402235412 is a deficient number, since it is larger than the sum of its proper divisors (302143564).

402235412 is a wasteful number, since it uses less digits than its factorization.

402235412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66718 (or 66716 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 402235412 is about 20055.8074382459. The cubic root of 402235412 is about 738.1763054860.

Adding to 402235412 its reverse (214532204), we get a palindrome (616767616).

The spelling of 402235412 in words is "four hundred two million, two hundred thirty-five thousand, four hundred twelve".