340431542 has 16 divisors (see below), whose sum is σ = 559963152. Its totient is φ = 153937920.

The previous prime is 340431541. The next prime is 340431547. The reversal of 340431542 is 245134043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340431541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35843 + ... + 44334.

It is an arithmetic number, because the mean of its divisors is an integer number (34997697).

Almost surely, 2^340431542 is an apocalyptic number.

340431542 is a deficient number, since it is larger than the sum of its proper divisors (219531610).

340431542 is a wasteful number, since it uses less digits than its factorization.

340431542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80383.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 340431542 is about 18450.7870292841. The cubic root of 340431542 is about 698.2483701629.

Adding to 340431542 its reverse (245134043), we get a palindrome (585565585).

The spelling of 340431542 in words is "three hundred forty million, four hundred thirty-one thousand, five hundred forty-two".