440212147 has 2 divisors, whose sum is σ = 440212148. Its totient is φ = 440212146.

The previous prime is 440212081. The next prime is 440212151. The reversal of 440212147 is 741212044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440212147 - 2¹⁵ = 440179379 is a prime.

It is not a weakly prime, because it can be changed into another prime (440212187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220106073 + 220106074.

It is an arithmetic number, because the mean of its divisors is an integer number (220106074).

Almost surely, 2^440212147 is an apocalyptic number.

440212147 is a deficient number, since it is larger than the sum of its proper divisors (1).

440212147 is an equidigital number, since it uses as much as digits as its factorization.

440212147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 440212147 is about 20981.2332097043. The cubic root of 440212147 is about 760.7127126562.

The spelling of 440212147 in words is "four hundred forty million, two hundred twelve thousand, one hundred forty-seven".