457857843520 has 168 divisors, whose sum is σ = 1369601194752. Its totient is φ = 142708853760.

The previous prime is 457857843497. The next prime is 457857843539. The reversal of 457857843520 is 25348758754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573592 + ... + 1115671.

It is an arithmetic number, because the mean of its divisors is an integer number (8152388064).

Almost surely, 2^457857843520 is an apocalyptic number.

457857843520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457857843520 is an abundant number, since it is smaller than the sum of its proper divisors (911743351232).

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

457857843520 is a wasteful number, since it uses less digits than its factorization.

457857843520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689309 (or 1689288 counting only the distinct ones).

The product of its (nonzero) digits is 37632000, while the sum is 58.

The spelling of 457857843520 in words is "four hundred fifty-seven billion, eight hundred fifty-seven million, eight hundred forty-three thousand, five hundred twenty".