402150 has 48 divisors (see below), whose sum is σ = 1142784. Its totient is φ = 91680.

The previous prime is 402139. The next prime is 402197. The reversal of 402150 is 51204.

It is a congruent number.

It is an unprimeable number.

402150 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 859 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (23808).

2⁴⁰²¹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571392).

402150 is an abundant number, since it is smaller than the sum of its proper divisors (740634).

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

402150 is a wasteful number, since it uses less digits than its factorization.

402150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 402150 is about 634.1529783893. The cubic root of 402150 is about 73.8124052853.

Adding to 402150 its reverse (51204), we get a palindrome (453354).

The spelling of 402150 in words is "four hundred two thousand, one hundred fifty".