457127540 has 24 divisors (see below), whose sum is σ = 968944032. Its totient is φ = 181141280.

The previous prime is 457127527. The next prime is 457127543. The reversal of 457127540 is 45721754.

It is a self number, because there is not a number n which added to its sum of digits gives 457127540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457127543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104666 + ... + 108945.

It is an arithmetic number, because the mean of its divisors is an integer number (40372668).

Almost surely, 2^457127540 is an apocalyptic number.

It is an amenable number.

457127540 is an abundant number, since it is smaller than the sum of its proper divisors (511816492).

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

457127540 is a wasteful number, since it uses less digits than its factorization.

457127540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213727 (or 213725 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 457127540 is about 21380.5411531140. The cubic root of 457127540 is about 770.3341103604.

The spelling of 457127540 in words is "four hundred fifty-seven million, one hundred twenty-seven thousand, five hundred forty".