457666342 has 32 divisors (see below), whose sum is σ = 826977600. Its totient is φ = 185797248.

The previous prime is 457666301. The next prime is 457666343. The reversal of 457666342 is 243666754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457666343) 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, 10884 + ... + 32152.

It is an arithmetic number, because the mean of its divisors is an integer number (25843050).

Almost surely, 2^457666342 is an apocalyptic number.

457666342 is a deficient number, since it is larger than the sum of its proper divisors (369311258).

457666342 is a wasteful number, since it uses less digits than its factorization.

457666342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21360.

The product of its digits is 725760, while the sum is 43.

The square root of 457666342 is about 21393.1377315250. The cubic root of 457666342 is about 770.6366478056.

The spelling of 457666342 in words is "four hundred fifty-seven million, six hundred sixty-six thousand, three hundred forty-two".