40443445152 has 240 divisors, whose sum is σ = 130201815744. Its totient is φ = 12213504000.

The previous prime is 40443445073. The next prime is 40443445177. The reversal of 40443445152 is 25154434404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8864952 + ... + 8869512.

Almost surely, 2^40443445152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40443445152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65100907872).

40443445152 is an abundant number, since it is smaller than the sum of its proper divisors (89758370592).

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

40443445152 is a wasteful number, since it uses less digits than its factorization.

40443445152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 40443445152 its reverse (25154434404), we get a palindrome (65597879556).

The spelling of 40443445152 in words is "forty billion, four hundred forty-three million, four hundred forty-five thousand, one hundred fifty-two".