457407478 has 16 divisors (see below), whose sum is σ = 764411904. Its totient is φ = 203488360.

The previous prime is 457407473. The next prime is 457407479. The reversal of 457407478 is 874704754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457407473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220150 + ... + 222217.

It is an arithmetic number, because the mean of its divisors is an integer number (47775744).

Almost surely, 2^457407478 is an apocalyptic number.

457407478 is a deficient number, since it is larger than the sum of its proper divisors (307004426).

457407478 is a wasteful number, since it uses less digits than its factorization.

457407478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442427.

The product of its (nonzero) digits is 878080, while the sum is 46.

The square root of 457407478 is about 21387.0867113780. The cubic root of 457407478 is about 770.4913252635.

The spelling of 457407478 in words is "four hundred fifty-seven million, four hundred seven thousand, four hundred seventy-eight".