4004422161445 has 16 divisors (see below), whose sum is σ = 4962445972848. Its totient is φ = 3099734853120.

The previous prime is 4004422161419. The next prime is 4004422161539. The reversal of 4004422161445 is 5441612244004.

It can be written as a sum of positive squares in 8 ways, for example, as 587776755556 + 3416645405889 = 766666^2 + 1848417^2 .

It is not a de Polignac number, because 4004422161445 - 2²⁵ = 4004388607013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 59760784 + ... + 59827753.

It is an arithmetic number, because the mean of its divisors is an integer number (310152873303).

Almost surely, 2^{4004422161445} is an apocalyptic number.

It is an amenable number.

4004422161445 is a deficient number, since it is larger than the sum of its proper divisors (958023811403).

4004422161445 is a wasteful number, since it uses less digits than its factorization.

4004422161445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119588760.

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 4004422161445 in words is "four trillion, four billion, four hundred twenty-two million, one hundred sixty-one thousand, four hundred forty-five".