457537540 has 12 divisors (see below), whose sum is σ = 960828876. Its totient is φ = 183015008.

The previous prime is 457537529. The next prime is 457537559. The reversal of 457537540 is 45735754.

It can be written as a sum of positive squares in 2 ways, for example, as 80245764 + 377291776 = 8958^2 + 19424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 457537493 and 457537502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11438419 + ... + 11438458.

It is an arithmetic number, because the mean of its divisors is an integer number (80069073).

Almost surely, 2^457537540 is an apocalyptic number.

It is an amenable number.

457537540 is an abundant number, since it is smaller than the sum of its proper divisors (503291336).

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

457537540 is a wasteful number, since it uses less digits than its factorization.

457537540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22876886 (or 22876884 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 40.

The square root of 457537540 is about 21390.1271618474. The cubic root of 457537540 is about 770.5643470590.

The spelling of 457537540 in words is "four hundred fifty-seven million, five hundred thirty-seven thousand, five hundred forty".