402130302 has 64 divisors (see below), whose sum is σ = 936230400. Its totient is φ = 112780800.

The previous prime is 402130301. The next prime is 402130331. The reversal of 402130302 is 203031204.

It is a super-2 number, since 2×402130302² = 323417559573222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402130301) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 668802 + ... + 669402.

It is an arithmetic number, because the mean of its divisors is an integer number (14628600).

Almost surely, 2^402130302 is an apocalyptic number.

402130302 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 402130302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468115200).

402130302 is an abundant number, since it is smaller than the sum of its proper divisors (534100098).

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

402130302 is a wasteful number, since it uses less digits than its factorization.

402130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 402130302 is about 20053.1868290304. The cubic root of 402130302 is about 738.1120011271.

Adding to 402130302 its reverse (203031204), we get a palindrome (605161506).

The spelling of 402130302 in words is "four hundred two million, one hundred thirty thousand, three hundred two".