457450040 has 16 divisors (see below), whose sum is σ = 1029262680. Its totient is φ = 182980000.

The previous prime is 457450033. The next prime is 457450057. The reversal of 457450040 is 40054754.

It is a junction number, because it is equal to n+sod(n) for n = 457449985 and 457450012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718086 + ... + 5718165.

Almost surely, 2^457450040 is an apocalyptic number.

457450040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457450040 is an abundant number, since it is smaller than the sum of its proper divisors (571812640).

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

457450040 is a wasteful number, since it uses less digits than its factorization.

457450040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11436262 (or 11436258 counting only the distinct ones).

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

The square root of 457450040 is about 21388.0817279157. The cubic root of 457450040 is about 770.5152227264.

The spelling of 457450040 in words is "four hundred fifty-seven million, four hundred fifty thousand, forty".