1440997627 has 2 divisors, whose sum is σ = 1440997628. Its totient is φ = 1440997626.

The previous prime is 1440997567. The next prime is 1440997631. The reversal of 1440997627 is 7267990441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1440997627 - 2¹⁵ = 1440964859 is a prime.

It is a super-2 number, since 2×1440997627² = 4152948322039262258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1440997687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720498813 + 720498814.

It is an arithmetic number, because the mean of its divisors is an integer number (720498814).

Almost surely, 2^1440997627 is an apocalyptic number.

1440997627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440997627 is an equidigital number, since it uses as much as digits as its factorization.

1440997627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 1440997627 is about 37960.4745360223. The cubic root of 1440997627 is about 1129.5039530556.

The spelling of 1440997627 in words is "one billion, four hundred forty million, nine hundred ninety-seven thousand, six hundred twenty-seven".