456240431 has 4 divisors (see below), whose sum is σ = 457852872. Its totient is φ = 454627992.

The previous prime is 456240419. The next prime is 456240439. The reversal of 456240431 is 134042654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 456240431 - 2¹⁴ = 456224047 is a prime.

It is a super-2 number, since 2×456240431² = 416310661758131522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 456240394 and 456240403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456240439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805796 + ... + 806361.

It is an arithmetic number, because the mean of its divisors is an integer number (114463218).

Almost surely, 2^456240431 is an apocalyptic number.

456240431 is a deficient number, since it is larger than the sum of its proper divisors (1612441).

456240431 is a wasteful number, since it uses less digits than its factorization.

456240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612440.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 456240431 is about 21359.7853687719. The cubic root of 456240431 is about 769.8354801148.

The spelling of 456240431 in words is "four hundred fifty-six million, two hundred forty thousand, four hundred thirty-one".