340312402 has 8 divisors (see below), whose sum is σ = 510649776. Its totient is φ = 170095812.

The previous prime is 340312397. The next prime is 340312411. The reversal of 340312402 is 204213043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 340312402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22788 + ... + 34639.

It is an arithmetic number, because the mean of its divisors is an integer number (63831222).

Almost surely, 2^340312402 is an apocalyptic number.

340312402 is a deficient number, since it is larger than the sum of its proper divisors (170337374).

340312402 is a wasteful number, since it uses less digits than its factorization.

340312402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60392.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340312402 is about 18447.5581581954. The cubic root of 340312402 is about 698.1669058968.

Adding to 340312402 its reverse (204213043), we get a palindrome (544525445).

The spelling of 340312402 in words is "three hundred forty million, three hundred twelve thousand, four hundred two".