1464444641 has 8 divisors (see below), whose sum is σ = 1599156000. Its totient is φ = 1329996640.

The previous prime is 1464444607. The next prime is 1464444673.

1464444641 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1464444641 - 2¹⁴ = 1464428257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1464444595 and 1464444604.

It is not an unprimeable number, because it can be changed into a prime (1464444041) 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, 54116 + ... + 76533.

It is an arithmetic number, because the mean of its divisors is an integer number (199894500).

Almost surely, 2^1464444641 is an apocalyptic number.

1464444641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1464444641 is a deficient number, since it is larger than the sum of its proper divisors (134711359).

1464444641 is a wasteful number, since it uses less digits than its factorization.

1464444641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131679.

The product of its digits is 147456, while the sum is 38.

The square root of 1464444641 is about 38268.0629376508. The cubic root of 1464444641 is about 1135.5972174452.

The spelling of 1464444641 in words is "one billion, four hundred sixty-four million, four hundred forty-four thousand, six hundred forty-one".