402151412 has 24 divisors (see below), whose sum is σ = 790855296. Its totient is φ = 177537888.

The previous prime is 402151403. The next prime is 402151423. The reversal of 402151412 is 214151204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166928 + ... + 169319.

It is an arithmetic number, because the mean of its divisors is an integer number (32952304).

Almost surely, 2^402151412 is an apocalyptic number.

It is an amenable number.

402151412 is a deficient number, since it is larger than the sum of its proper divisors (388703884).

402151412 is a wasteful number, since it uses less digits than its factorization.

402151412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336287 (or 336285 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 402151412 is about 20053.7131723778. The cubic root of 402151412 is about 738.1249167348.

The spelling of 402151412 in words is "four hundred two million, one hundred fifty-one thousand, four hundred twelve".