1456720441 has 4 divisors (see below), whose sum is σ = 1589149584. Its totient is φ = 1324291300.

The previous prime is 1456720381. The next prime is 1456720453. The reversal of 1456720441 is 1440276541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1456720441 - 2¹⁷ = 1456589369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1456720397 and 1456720406.

It is not an unprimeable number, because it can be changed into a prime (1456720471) 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, 66214555 + ... + 66214576.

It is an arithmetic number, because the mean of its divisors is an integer number (397287396).

Almost surely, 2^1456720441 is an apocalyptic number.

1456720441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1456720441 is a deficient number, since it is larger than the sum of its proper divisors (132429143).

1456720441 is a wasteful number, since it uses less digits than its factorization.

1456720441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132429142.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1456720441 is about 38167.0072313772. The cubic root of 1456720441 is about 1133.5971310862.

Adding to 1456720441 its reverse (1440276541), we get a palindrome (2896996982).

The spelling of 1456720441 in words is "one billion, four hundred fifty-six million, seven hundred twenty thousand, four hundred forty-one".