340032140442 has 12 divisors (see below), whose sum is σ = 736736304330. Its totient is φ = 113344046808.

The previous prime is 340032140431. The next prime is 340032140447. The reversal of 340032140442 is 244041230043.

It is a happy number.

340032140442 is a `hidden beast` number, since 3 + 4 + 0 + 0 + 3 + 214 + 0 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 340027768161 + 4372281 = 583119^2 + 2091^2 .

It is not an unprimeable number, because it can be changed into a prime (340032140447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9445337217 + ... + 9445337252.

Almost surely, 2^340032140442 is an apocalyptic number.

340032140442 is an abundant number, since it is smaller than the sum of its proper divisors (396704163888).

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

340032140442 is a wasteful number, since it uses less digits than its factorization.

340032140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18890674477 (or 18890674474 counting only the distinct ones).

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

Adding to 340032140442 its reverse (244041230043), we get a palindrome (584073370485).

The spelling of 340032140442 in words is "three hundred forty billion, thirty-two million, one hundred forty thousand, four hundred forty-two".