402412302 has 24 divisors (see below), whose sum is σ = 900020160. Its totient is φ = 129810240.

The previous prime is 402412291. The next prime is 402412313. The reversal of 402412302 is 203214204.

It is an interprime number because it is at equal distance from previous prime (402412291) and next prime (402412313).

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 360027 + ... + 361142.

It is an arithmetic number, because the mean of its divisors is an integer number (37500840).

Almost surely, 2^402412302 is an apocalyptic number.

402412302 is an abundant number, since it is smaller than the sum of its proper divisors (497607858).

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

402412302 is a wasteful number, since it uses less digits than its factorization.

402412302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721208 (or 721205 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 402412302 is about 20060.2168981295. The cubic root of 402412302 is about 738.2844982395.

Adding to 402412302 its reverse (203214204), we get a palindrome (605626506).

The spelling of 402412302 in words is "four hundred two million, four hundred twelve thousand, three hundred two".