402315342 has 32 divisors (see below), whose sum is σ = 945302400. Its totient is φ = 112535520.

The previous prime is 402315311. The next prime is 402315343. The reversal of 402315342 is 243513204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402315343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233592 + ... + 235307.

It is an arithmetic number, because the mean of its divisors is an integer number (29540700).

Almost surely, 2^402315342 is an apocalyptic number.

402315342 is an abundant number, since it is smaller than the sum of its proper divisors (542987058).

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

402315342 is a wasteful number, since it uses less digits than its factorization.

402315342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468928.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 402315342 is about 20057.8000289164. The cubic root of 402315342 is about 738.2251976874.

Adding to 402315342 its reverse (243513204), we get a palindrome (645828546).

The spelling of 402315342 in words is "four hundred two million, three hundred fifteen thousand, three hundred forty-two".