457457428 has 12 divisors (see below), whose sum is σ = 801294592. Its totient is φ = 228516120.

The previous prime is 457457423. The next prime is 457457447. The reversal of 457457428 is 824754754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457457423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48258 + ... + 56953.

Almost surely, 2^457457428 is an apocalyptic number.

It is an amenable number.

457457428 is a deficient number, since it is larger than the sum of its proper divisors (343837164).

457457428 is a wasteful number, since it uses less digits than its factorization.

457457428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106302 (or 106300 counting only the distinct ones).

The product of its digits is 1254400, while the sum is 46.

The square root of 457457428 is about 21388.2544402296. The cubic root of 457457428 is about 770.5193707464.

The spelling of 457457428 in words is "four hundred fifty-seven million, four hundred fifty-seven thousand, four hundred twenty-eight".