440354087 has 2 divisors, whose sum is σ = 440354088. Its totient is φ = 440354086.

The previous prime is 440354081. The next prime is 440354119. The reversal of 440354087 is 780453044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440354087 - 2¹² = 440349991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440354081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220177043 + 220177044.

It is an arithmetic number, because the mean of its divisors is an integer number (220177044).

Almost surely, 2^440354087 is an apocalyptic number.

440354087 is a deficient number, since it is larger than the sum of its proper divisors (1).

440354087 is an equidigital number, since it uses as much as digits as its factorization.

440354087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 440354087 is about 20984.6154837300. The cubic root of 440354087 is about 760.7944641179.

The spelling of 440354087 in words is "four hundred forty million, three hundred fifty-four thousand, eighty-seven".