457501240 has 48 divisors (see below), whose sum is σ = 1197444600. Its totient is φ = 156856896.

The previous prime is 457501169. The next prime is 457501241. The reversal of 457501240 is 42105754.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 457501199 and 457501208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457501241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114750 + ... + 118669.

Almost surely, 2^457501240 is an apocalyptic number.

457501240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457501240 is an abundant number, since it is smaller than the sum of its proper divisors (739943360).

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

457501240 is a wasteful number, since it uses less digits than its factorization.

457501240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233444 (or 233433 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 457501240 is about 21389.2786227119. The cubic root of 457501240 is about 770.5439682390.

Adding to 457501240 its reverse (42105754), we get a palindrome (499606994).

The spelling of 457501240 in words is "four hundred fifty-seven million, five hundred one thousand, two hundred forty".