457046340 has 96 divisors (see below), whose sum is σ = 1342172160. Its totient is φ = 115986816.

The previous prime is 457046323. The next prime is 457046341. The reversal of 457046340 is 43640754.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (457046341) 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 31 ways as a sum of consecutive naturals, for example, 312531 + ... + 313989.

It is an arithmetic number, because the mean of its divisors is an integer number (13980960).

Almost surely, 2^457046340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457046340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671086080).

457046340 is an abundant number, since it is smaller than the sum of its proper divisors (885125820).

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

457046340 is a wasteful number, since it uses less digits than its factorization.

457046340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 457046340 is about 21378.6421458427. The cubic root of 457046340 is about 770.2884959324.

The spelling of 457046340 in words is "four hundred fifty-seven million, forty-six thousand, three hundred forty".