40440088845 has 96 divisors (see below), whose sum is σ = 78170287104. Its totient is φ = 19205683200.

The previous prime is 40440088841. The next prime is 40440088891. The reversal of 40440088845 is 54888004404.

It is not a de Polignac number, because 40440088845 - 2² = 40440088841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40440088845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440088841) 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 95 ways as a sum of consecutive naturals, for example, 5999317 + ... + 6006053.

It is an arithmetic number, because the mean of its divisors is an integer number (814273824).

Almost surely, 2^40440088845 is an apocalyptic number.

40440088845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40440088845 is a deficient number, since it is larger than the sum of its proper divisors (37730198259).

40440088845 is a wasteful number, since it uses less digits than its factorization.

40440088845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123 (or 7120 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 45.

The spelling of 40440088845 in words is "forty billion, four hundred forty million, eighty-eight thousand, eight hundred forty-five".