40744770432 has 64 divisors (see below), whose sum is σ = 108462524160. Its totient is φ = 13552197120.

The previous prime is 40744770421. The next prime is 40744770433. The reversal of 40744770432 is 23407744704.

40744770432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40744770433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63207 + ... + 292377.

It is an arithmetic number, because the mean of its divisors is an integer number (1694726940).

Almost surely, 2^40744770432 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 40744770432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54231262080).

40744770432 is an abundant number, since it is smaller than the sum of its proper divisors (67717753728).

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

40744770432 is a wasteful number, since it uses less digits than its factorization.

40744770432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229651 (or 229639 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 42.

The spelling of 40744770432 in words is "forty billion, seven hundred forty-four million, seven hundred seventy thousand, four hundred thirty-two".