4401432401145 has 48 divisors (see below), whose sum is σ = 7654673093760. Its totient is φ = 2158619693568.

The previous prime is 4401432401143. The next prime is 4401432401161. The reversal of 4401432401145 is 5411042341044.

It is not a de Polignac number, because 4401432401145 - 2¹ = 4401432401143 is a prime.

It is a super-2 number, since 2×4401432401145² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4401432401141) 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 in 47 ways as a sum of consecutive naturals, for example, 2634180 + ... + 3967589.

It is an arithmetic number, because the mean of its divisors is an integer number (159472356120).

Almost surely, 2^{4401432401145} is an apocalyptic number.

It is an amenable number.

4401432401145 is a deficient number, since it is larger than the sum of its proper divisors (3253240692615).

4401432401145 is a wasteful number, since it uses less digits than its factorization.

4401432401145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602066 (or 6602053 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 4401432401145 its reverse (5411042341044), we get a palindrome (9812474742189).

The spelling of 4401432401145 in words is "four trillion, four hundred one billion, four hundred thirty-two million, four hundred one thousand, one hundred forty-five".