402150012 has 24 divisors (see below), whose sum is σ = 1023654912. Its totient is φ = 121863600.

The previous prime is 402149987. The next prime is 402150041. The reversal of 402150012 is 210051204.

It is a junction number, because it is equal to n+sod(n) for n = 402149973 and 402150000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523164 + ... + 1523427.

It is an arithmetic number, because the mean of its divisors is an integer number (42652288).

Almost surely, 2^402150012 is an apocalyptic number.

It is an amenable number.

402150012 is an abundant number, since it is smaller than the sum of its proper divisors (621504900).

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

402150012 is a wasteful number, since it uses less digits than its factorization.

402150012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046609 (or 3046607 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 402150012 is about 20053.6782660937. The cubic root of 402150012 is about 738.1240601950.

The spelling of 402150012 in words is "four hundred two million, one hundred fifty thousand, twelve".