457520042 has 16 divisors (see below), whose sum is σ = 787242240. Its totient is φ = 195349488.

The previous prime is 457520027. The next prime is 457520053. The reversal of 457520042 is 240025754.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 457519987 and 457520014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56978 + ... + 64509.

It is an arithmetic number, because the mean of its divisors is an integer number (49202640).

Almost surely, 2^457520042 is an apocalyptic number.

457520042 is a deficient number, since it is larger than the sum of its proper divisors (329722198).

457520042 is a wasteful number, since it uses less digits than its factorization.

457520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121765.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 457520042 is about 21389.7181374603. The cubic root of 457520042 is about 770.5545238164.

Adding to 457520042 its reverse (240025754), we get a palindrome (697545796).

The spelling of 457520042 in words is "four hundred fifty-seven million, five hundred twenty thousand, forty-two".