40445108184 has 64 divisors (see below), whose sum is σ = 111833699040. Its totient is φ = 12108303360.

The previous prime is 40445108131. The next prime is 40445108189. The reversal of 40445108184 is 48180154404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445108189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740237 + ... + 1763324.

Almost surely, 2^40445108184 is an apocalyptic number.

It is an amenable number.

40445108184 is an abundant number, since it is smaller than the sum of its proper divisors (71388590856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40445108184 is a wasteful number, since it uses less digits than its factorization.

40445108184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503620 (or 3503616 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The spelling of 40445108184 in words is "forty billion, four hundred forty-five million, one hundred eight thousand, one hundred eighty-four".