457720340292 has 24 divisors (see below), whose sum is σ = 1186682364000. Its totient is φ = 152573446728.

The previous prime is 457720340291. The next prime is 457720340327. The reversal of 457720340292 is 292043027754.

457720340292 is a `hidden beast` number, since 4 + 577 + 20 + 34 + 0 + 29 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (457720340291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119075542 + ... + 2119075757.

It is an arithmetic number, because the mean of its divisors is an integer number (49445098500).

Almost surely, 2^457720340292 is an apocalyptic number.

It is an amenable number.

457720340292 is an abundant number, since it is smaller than the sum of its proper divisors (728962023708).

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

457720340292 is a wasteful number, since it uses less digits than its factorization.

457720340292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238151312 (or 4238151304 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 457720340292 in words is "four hundred fifty-seven billion, seven hundred twenty million, three hundred forty thousand, two hundred ninety-two".