1044400355 has 16 divisors (see below), whose sum is σ = 1346816160. Its totient is φ = 774630912.

The previous prime is 1044400319. The next prime is 1044400363. The reversal of 1044400355 is 5530044401.

It is a cyclic number.

It is not a de Polignac number, because 1044400355 - 2¹⁴ = 1044383971 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86000 + ... + 97389.

It is an arithmetic number, because the mean of its divisors is an integer number (84176010).

Almost surely, 2^1044400355 is an apocalyptic number.

1044400355 is a deficient number, since it is larger than the sum of its proper divisors (302415805).

1044400355 is a wasteful number, since it uses less digits than its factorization.

1044400355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183478.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1044400355 is about 32317.1835870640. The cubic root of 1044400355 is about 1014.5863230473.

Adding to 1044400355 its reverse (5530044401), we get a palindrome (6574444756).

The spelling of 1044400355 in words is "one billion, forty-four million, four hundred thousand, three hundred fifty-five".