457040720834 has 16 divisors (see below), whose sum is σ = 687678579000. Its totient is φ = 227814820224.

The previous prime is 457040720833. The next prime is 457040720863. The reversal of 457040720834 is 438027040754.

It can be written as a sum of positive squares in 4 ways, for example, as 328013925625 + 129026795209 = 572725^2 + 359203^2 .

It is not an unprimeable number, because it can be changed into a prime (457040720833) 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, 3166022 + ... + 3307230.

Almost surely, 2^457040720834 is an apocalyptic number.

457040720834 is a deficient number, since it is larger than the sum of its proper divisors (230637858166).

457040720834 is a wasteful number, since it uses less digits than its factorization.

457040720834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146197.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 457040720834 in words is "four hundred fifty-seven billion, forty million, seven hundred twenty thousand, eight hundred thirty-four".