402063210 has 64 divisors (see below), whose sum is σ = 1077753600. Its totient is φ = 106658496.

The previous prime is 402063173. The next prime is 402063217. The reversal of 402063210 is 12360204.

It is a happy number.

402063210 is a `hidden beast` number, since 4 + 0 + 20 + 632 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (402063217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49411 + ... + 56969.

It is an arithmetic number, because the mean of its divisors is an integer number (16839900).

Almost surely, 2^402063210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402063210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538876800).

402063210 is an abundant number, since it is smaller than the sum of its proper divisors (675690390).

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

402063210 is a wasteful number, since it uses less digits than its factorization.

402063210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772 (or 7766 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 402063210 is about 20051.5139079322. The cubic root of 402063210 is about 738.0709496201.

The spelling of 402063210 in words is "four hundred two million, sixty-three thousand, two hundred ten".