4400154049 has 2 divisors, whose sum is σ = 4400154050. Its totient is φ = 4400154048.

The previous prime is 4400154029. The next prime is 4400154067. The reversal of 4400154049 is 9404510044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4160895025 + 239259024 = 64505^2 + 15468^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400154049 - 2³¹ = 2252670401 is a prime.

It is a super-2 number, since 2×4400154049² = 38722711309862188802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4400154049.

It is not a weakly prime, because it can be changed into another prime (4400154029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200077024 + 2200077025.

It is an arithmetic number, because the mean of its divisors is an integer number (2200077025).

Almost surely, 2^4400154049 is an apocalyptic number.

It is an amenable number.

4400154049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400154049 is an equidigital number, since it uses as much as digits as its factorization.

4400154049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4400154049 is about 66333.6569849726. The cubic root of 4400154049 is about 1638.6616645573.

The spelling of 4400154049 in words is "four billion, four hundred million, one hundred fifty-four thousand, forty-nine".