457062138 has 96 divisors (see below), whose sum is σ = 1130088960. Its totient is φ = 132347520.

The previous prime is 457062121. The next prime is 457062173. The reversal of 457062138 is 831260754.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 991228 + ... + 991688.

It is an arithmetic number, because the mean of its divisors is an integer number (11771760).

Almost surely, 2^457062138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457062138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565044480).

457062138 is an abundant number, since it is smaller than the sum of its proper divisors (673026822).

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

457062138 is a wasteful number, since it uses less digits than its factorization.

457062138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 457062138 is about 21379.0116235527. The cubic root of 457062138 is about 770.2973709460.

The spelling of 457062138 in words is "four hundred fifty-seven million, sixty-two thousand, one hundred thirty-eight".