40889264445 has 24 divisors (see below), whose sum is σ = 70892803800. Its totient is φ = 21802045056.

The previous prime is 40889264411. The next prime is 40889264447. The reversal of 40889264445 is 54446298804.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10285610724 + 30603653721 = 101418^2 + 174939^2 .

It is not a de Polignac number, because 40889264445 - 2⁸ = 40889264189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40889264391 and 40889264400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40889264447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65611 + ... + 293399.

It is an arithmetic number, because the mean of its divisors is an integer number (2953866825).

Almost surely, 2^40889264445 is an apocalyptic number.

40889264445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40889264445 is a deficient number, since it is larger than the sum of its proper divisors (30003539355).

40889264445 is a wasteful number, since it uses less digits than its factorization.

40889264445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231789 (or 231786 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 40889264445 in words is "forty billion, eight hundred eighty-nine million, two hundred sixty-four thousand, four hundred forty-five".