1400444029 has 2 divisors, whose sum is σ = 1400444030. Its totient is φ = 1400444028.

The previous prime is 1400444009. The next prime is 1400444047. The reversal of 1400444029 is 9204440041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 775344025 + 625100004 = 27845^2 + 25002^2 .

It is an emirp because it is prime and its reverse (9204440041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400444029 - 2¹⁷ = 1400312957 is a prime.

It is a super-2 number, since 2×1400444029² = 3922486956723505682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400443988 and 1400444006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400444009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700222014 + 700222015.

It is an arithmetic number, because the mean of its divisors is an integer number (700222015).

Almost surely, 2^1400444029 is an apocalyptic number.

It is an amenable number.

1400444029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400444029 is an equidigital number, since it uses as much as digits as its factorization.

1400444029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1400444029 is about 37422.5069844338. The cubic root of 1400444029 is about 1118.8071987068.

The spelling of 1400444029 in words is "one billion, four hundred million, four hundred forty-four thousand, twenty-nine".