402340014 has 32 divisors (see below), whose sum is σ = 894862080. Its totient is φ = 133997400.

The previous prime is 402339983. The next prime is 402340019. The reversal of 402340014 is 410043204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402340019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79129 + ... + 84059.

It is an arithmetic number, because the mean of its divisors is an integer number (27964440).

Almost surely, 2^402340014 is an apocalyptic number.

402340014 is an abundant number, since it is smaller than the sum of its proper divisors (492522066).

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

402340014 is a wasteful number, since it uses less digits than its factorization.

402340014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453 (or 6447 counting only the distinct ones).

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

The square root of 402340014 is about 20058.4150420715. The cubic root of 402340014 is about 738.2402879395.

Adding to 402340014 its reverse (410043204), we get a palindrome (812383218).

The spelling of 402340014 in words is "four hundred two million, three hundred forty thousand, fourteen".