456722438 has 16 divisors (see below), whose sum is σ = 695407680. Its totient is φ = 224944296.

The previous prime is 456722429. The next prime is 456722449. The reversal of 456722438 is 834227654.

It is a junction number, because it is equal to n+sod(n) for n = 456722395 and 456722404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32345 + ... + 44267.

It is an arithmetic number, because the mean of its divisors is an integer number (43462980).

Almost surely, 2^456722438 is an apocalyptic number.

456722438 is a deficient number, since it is larger than the sum of its proper divisors (238685242).

456722438 is a wasteful number, since it uses less digits than its factorization.

456722438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211.

The product of its digits is 322560, while the sum is 41.

The square root of 456722438 is about 21371.0654390463. The cubic root of 456722438 is about 770.1064888984.

The spelling of 456722438 in words is "four hundred fifty-six million, seven hundred twenty-two thousand, four hundred thirty-eight".