402305352 has 48 divisors (see below), whose sum is σ = 1039313520. Its totient is φ = 129768480.

The previous prime is 402305339. The next prime is 402305359. The reversal of 402305352 is 253503204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (402305359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14343 + ... + 31785.

It is an arithmetic number, because the mean of its divisors is an integer number (21652365).

Almost surely, 2^402305352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402305352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519656760).

402305352 is an abundant number, since it is smaller than the sum of its proper divisors (637008168).

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

402305352 is a wasteful number, since it uses less digits than its factorization.

402305352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17514 (or 17479 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 402305352 is about 20057.5509970684. The cubic root of 402305352 is about 738.2190872810.

Adding to 402305352 its reverse (253503204), we get a palindrome (655808556).

The spelling of 402305352 in words is "four hundred two million, three hundred five thousand, three hundred fifty-two".