40446236304 has 80 divisors (see below), whose sum is σ = 116509179840. Its totient is φ = 13434059520.

The previous prime is 40446236267. The next prime is 40446236309. The reversal of 40446236304 is 40363264404.

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

It is not an unprimeable number, because it can be changed into a prime (40446236309) 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, 45202 + ... + 287985.

It is an arithmetic number, because the mean of its divisors is an integer number (1456364748).

Almost surely, 2^40446236304 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 40446236304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58254589920).

40446236304 is an abundant number, since it is smaller than the sum of its proper divisors (76062943536).

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

40446236304 is a wasteful number, since it uses less digits than its factorization.

40446236304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333485 (or 333473 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The spelling of 40446236304 in words is "forty billion, four hundred forty-six million, two hundred thirty-six thousand, three hundred four".