440670001 has 2 divisors, whose sum is σ = 440670002. Its totient is φ = 440670000.

The previous prime is 440669981. The next prime is 440670007. The reversal of 440670001 is 100076044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392990976 + 47679025 = 19824^2 + 6905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440670001 is a prime.

It is not a weakly prime, because it can be changed into another prime (440670007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220335000 + 220335001.

It is an arithmetic number, because the mean of its divisors is an integer number (220335001).

Almost surely, 2^440670001 is an apocalyptic number.

It is an amenable number.

440670001 is a deficient number, since it is larger than the sum of its proper divisors (1).

440670001 is an equidigital number, since it uses as much as digits as its factorization.

440670001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 440670001 is about 20992.1414105374. The cubic root of 440670001 is about 760.9763542354.

The spelling of 440670001 in words is "four hundred forty million, six hundred seventy thousand, one".