402320414340 has 72 divisors (see below), whose sum is σ = 1314246694488. Its totient is φ = 99032716800.

The previous prime is 402320414323. The next prime is 402320414347. The reversal of 402320414340 is 43414023204.

It is a happy number.

402320414340 is a `hidden beast` number, since 4 + 0 + 23 + 204 + 1 + 434 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16888042116 + 385432372224 = 129954^2 + 620832^2 .

It is not an unprimeable number, because it can be changed into a prime (402320414347) 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, 85963561 + ... + 85968240.

Almost surely, 2^402320414340 is an apocalyptic number.

It is an amenable number.

402320414340 is an abundant number, since it is smaller than the sum of its proper divisors (911926280148).

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

402320414340 is a wasteful number, since it uses less digits than its factorization.

402320414340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171931829 (or 171931824 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 402320414340 its reverse (43414023204), we get a palindrome (445734437544).

The spelling of 402320414340 in words is "four hundred two billion, three hundred twenty million, four hundred fourteen thousand, three hundred forty".