1444676474 has 4 divisors (see below), whose sum is σ = 2167014714. Its totient is φ = 722338236.

The previous prime is 1444676449. The next prime is 1444676489. The reversal of 1444676474 is 4746764441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4746764441 = 229 ⋅20728229.

It can be written as a sum of positive squares in only one way, i.e., 1040385025 + 404291449 = 32255^2 + 20107^2 .

It is a super-2 number, since 2×1444676474² = 4174180229058145352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361169117 + ... + 361169120.

Almost surely, 2^1444676474 is an apocalyptic number.

1444676474 is a deficient number, since it is larger than the sum of its proper divisors (722338240).

1444676474 is an equidigital number, since it uses as much as digits as its factorization.

1444676474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722338239.

The product of its digits is 1806336, while the sum is 47.

The square root of 1444676474 is about 38008.8999314634. The cubic root of 1444676474 is about 1130.4643388884.

The spelling of 1444676474 in words is "one billion, four hundred forty-four million, six hundred seventy-six thousand, four hundred seventy-four".