457399544 has 64 divisors (see below), whose sum is σ = 1018275840. Its totient is φ = 188484480.

The previous prime is 457399541. The next prime is 457399573. The reversal of 457399544 is 445993754.

It is a junction number, because it is equal to n+sod(n) for n = 457399492 and 457399501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457399541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299567 + ... + 301089.

It is an arithmetic number, because the mean of its divisors is an integer number (15910560).

Almost surely, 2^457399544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457399544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509137920).

457399544 is an abundant number, since it is smaller than the sum of its proper divisors (560876296).

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

457399544 is a wasteful number, since it uses less digits than its factorization.

457399544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1736 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 50.

The square root of 457399544 is about 21386.9012248152. The cubic root of 457399544 is about 770.4868703637.

The spelling of 457399544 in words is "four hundred fifty-seven million, three hundred ninety-nine thousand, five hundred forty-four".