40344380262 has 64 divisors (see below), whose sum is σ = 90673551360. Its totient is φ = 13295515392.

The previous prime is 40344380249. The next prime is 40344380291. The reversal of 40344380262 is 26208344304.

40344380262 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5774023 + ... + 5781005.

It is an arithmetic number, because the mean of its divisors is an integer number (1416774240).

Almost surely, 2^40344380262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40344380262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45336775680).

40344380262 is an abundant number, since it is smaller than the sum of its proper divisors (50329171098).

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

40344380262 is a wasteful number, since it uses less digits than its factorization.

40344380262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194 (or 8188 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 40344380262 in words is "forty billion, three hundred forty-four million, three hundred eighty thousand, two hundred sixty-two".