340430032402 has 32 divisors (see below), whose sum is σ = 528069190320. Its totient is φ = 164487751680.

The previous prime is 340430032381. The next prime is 340430032403. The reversal of 340430032402 is 204230034043.

It can be written as a sum of positive squares in 8 ways, for example, as 28327919481 + 312102112921 = 168309^2 + 558661^2 .

It is a super-2 number, since 2×340430032402² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340430032403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15453948 + ... + 15475960.

Almost surely, 2^340430032402 is an apocalyptic number.

340430032402 is a deficient number, since it is larger than the sum of its proper divisors (187639157918).

340430032402 is a wasteful number, since it uses less digits than its factorization.

340430032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23838.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 340430032402 its reverse (204230034043), we get a palindrome (544660066445).

The spelling of 340430032402 in words is "three hundred forty billion, four hundred thirty million, thirty-two thousand, four hundred two".