402273210 has 128 divisors (see below), whose sum is σ = 1077753600. Its totient is φ = 95621120.

The previous prime is 402273173. The next prime is 402273217. The reversal of 402273210 is 12372204.

It is not an unprimeable number, because it can be changed into a prime (402273217) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 872380 + ... + 872840.

It is an arithmetic number, because the mean of its divisors is an integer number (8419950).

Almost surely, 2^402273210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402273210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538876800).

402273210 is an abundant number, since it is smaller than the sum of its proper divisors (675480390).

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

402273210 is a wasteful number, since it uses less digits than its factorization.

402273210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 402273210 is about 20056.7497366847. The cubic root of 402273210 is about 738.1994268665.

The spelling of 402273210 in words is "four hundred two million, two hundred seventy-three thousand, two hundred ten".