457483440 has 80 divisors (see below), whose sum is σ = 1429122816. Its totient is φ = 121056000.

The previous prime is 457483423. The next prime is 457483471. The reversal of 457483440 is 44384754.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24165 + ... + 38715.

Almost surely, 2^457483440 is an apocalyptic number.

457483440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457483440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714561408).

457483440 is an abundant number, since it is smaller than the sum of its proper divisors (971639376).

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

457483440 is a wasteful number, since it uses less digits than its factorization.

457483440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14698 (or 14692 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The square root of 457483440 is about 21388.8625223503. The cubic root of 457483440 is about 770.5339749251.

The spelling of 457483440 in words is "four hundred fifty-seven million, four hundred eighty-three thousand, four hundred forty".