402314130 has 48 divisors (see below), whose sum is σ = 1051838424. Its totient is φ = 106686720.

The previous prime is 402314123. The next prime is 402314131. The reversal of 402314130 is 31413204.

It can be written as a sum of positive squares in 4 ways, for example, as 298702089 + 103612041 = 17283^2 + 10179^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402314131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3942 + ... + 28638.

Almost surely, 2^402314130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402314130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525919212).

402314130 is an abundant number, since it is smaller than the sum of its proper divisors (649524294).

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

402314130 is a wasteful number, since it uses less digits than its factorization.

402314130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24891 (or 24888 counting only the distinct ones).

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

The square root of 402314130 is about 20057.7698162084. The cubic root of 402314130 is about 738.2244563702.

Adding to 402314130 its reverse (31413204), we get a palindrome (433727334).

The spelling of 402314130 in words is "four hundred two million, three hundred fourteen thousand, one hundred thirty".