44404018001690 has 16 divisors (see below), whose sum is σ = 79931084877000. Its totient is φ = 17760751095360.

The previous prime is 44404018001653. The next prime is 44404018001699. The reversal of 44404018001690 is 9610081040444.

It can be written as a sum of positive squares in 4 ways, for example, as 18627571145089 + 25776446856601 = 4315967^2 + 5077051^2 .

It is a super-2 number, since 2×44404018001690² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44404018001699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106795301 + ... + 107210280.

Almost surely, 2^{44404018001690} is an apocalyptic number.

44404018001690 is a deficient number, since it is larger than the sum of its proper divisors (35527066875310).

44404018001690 is a wasteful number, since it uses less digits than its factorization.

44404018001690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214026337.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 44404018001690 in words is "forty-four trillion, four hundred four billion, eighteen million, one thousand, six hundred ninety".