440210242427 has 2 divisors, whose sum is σ = 440210242428. Its totient is φ = 440210242426.

The previous prime is 440210242357. The next prime is 440210242441. The reversal of 440210242427 is 724242012044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440210242427 - 2¹² = 440210238331 is a prime.

It is a super-2 number, since 2×440210242427² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440210242393 and 440210242402.

It is not a weakly prime, because it can be changed into another prime (440210242727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220105121213 + 220105121214.

It is an arithmetic number, because the mean of its divisors is an integer number (220105121214).

Almost surely, 2^440210242427 is an apocalyptic number.

440210242427 is a deficient number, since it is larger than the sum of its proper divisors (1).

440210242427 is an equidigital number, since it uses as much as digits as its factorization.

440210242427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28672, while the sum is 32.

The spelling of 440210242427 in words is "four hundred forty billion, two hundred ten million, two hundred forty-two thousand, four hundred twenty-seven".