457262540 has 48 divisors (see below), whose sum is σ = 1145152512. Its totient is φ = 149958336.

The previous prime is 457262537. The next prime is 457262557. The reversal of 457262540 is 45262754.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 457262540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67784 + ... + 74223.

It is an arithmetic number, because the mean of its divisors is an integer number (23857344).

Almost surely, 2^457262540 is an apocalyptic number.

It is an amenable number.

457262540 is an abundant number, since it is smaller than the sum of its proper divisors (687889972).

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

457262540 is a wasteful number, since it uses less digits than its factorization.

457262540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142046 (or 142044 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 457262540 is about 21383.6979963710. The cubic root of 457262540 is about 770.4099352015.

The spelling of 457262540 in words is "four hundred fifty-seven million, two hundred sixty-two thousand, five hundred forty".