457434140 has 24 divisors (see below), whose sum is σ = 991600512. Its totient is φ = 177071040.

The previous prime is 457434121. The next prime is 457434167. The reversal of 457434140 is 41434754.

It is a junction number, because it is equal to n+sod(n) for n = 457434097 and 457434106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368279 + ... + 369518.

It is an arithmetic number, because the mean of its divisors is an integer number (41316688).

Almost surely, 2^457434140 is an apocalyptic number.

It is an amenable number.

457434140 is an abundant number, since it is smaller than the sum of its proper divisors (534166372).

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

457434140 is a wasteful number, since it uses less digits than its factorization.

457434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737837 (or 737835 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 457434140 is about 21387.7100223469. The cubic root of 457434140 is about 770.5062954608.

Adding to 457434140 its reverse (41434754), we get a palindrome (498868894).

The spelling of 457434140 in words is "four hundred fifty-seven million, four hundred thirty-four thousand, one hundred forty".