440899812029 has 2 divisors, whose sum is σ = 440899812030. Its totient is φ = 440899812028.

The previous prime is 440899812007. The next prime is 440899812049. The reversal of 440899812029 is 920218998044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296260312804 + 144639499225 = 544298^2 + 380315^2 .

It is a cyclic number.

It is not a de Polignac number, because 440899812029 - 2³² = 436604844733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440899812049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220449906014 + 220449906015.

It is an arithmetic number, because the mean of its divisors is an integer number (220449906015).

Almost surely, 2^440899812029 is an apocalyptic number.

It is an amenable number.

440899812029 is a deficient number, since it is larger than the sum of its proper divisors (1).

440899812029 is an equidigital number, since it uses as much as digits as its factorization.

440899812029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 440899812029 in words is "four hundred forty billion, eight hundred ninety-nine million, eight hundred twelve thousand, twenty-nine".