440130547 has 2 divisors, whose sum is σ = 440130548. Its totient is φ = 440130546.

The previous prime is 440130487. The next prime is 440130557. The reversal of 440130547 is 745031044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440130547 is a prime.

It is not a weakly prime, because it can be changed into another prime (440130557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220065273 + 220065274.

It is an arithmetic number, because the mean of its divisors is an integer number (220065274).

Almost surely, 2^440130547 is an apocalyptic number.

440130547 is a deficient number, since it is larger than the sum of its proper divisors (1).

440130547 is an equidigital number, since it uses as much as digits as its factorization.

440130547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 440130547 is about 20979.2885246378. The cubic root of 440130547 is about 760.6657065376.

The spelling of 440130547 in words is "four hundred forty million, one hundred thirty thousand, five hundred forty-seven".