440054429 has 2 divisors, whose sum is σ = 440054430. Its totient is φ = 440054428.

The previous prime is 440054413. The next prime is 440054441. The reversal of 440054429 is 924450044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246427204 + 193627225 = 15698^2 + 13915^2 .

It is a cyclic number.

It is not a de Polignac number, because 440054429 - 2⁴ = 440054413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440054395 and 440054404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440054479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220027214 + 220027215.

It is an arithmetic number, because the mean of its divisors is an integer number (220027215).

Almost surely, 2^440054429 is an apocalyptic number.

It is an amenable number.

440054429 is a deficient number, since it is larger than the sum of its proper divisors (1).

440054429 is an equidigital number, since it uses as much as digits as its factorization.

440054429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 440054429 is about 20977.4743236644. The cubic root of 440054429 is about 760.6218531167.

The spelling of 440054429 in words is "four hundred forty million, fifty-four thousand, four hundred twenty-nine".