40243214616 has 128 divisors (see below), whose sum is σ = 112426617600. Its totient is φ = 11898593280.

The previous prime is 40243214593. The next prime is 40243214617. The reversal of 40243214616 is 61641234204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243214617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19263300 + ... + 19265388.

It is an arithmetic number, because the mean of its divisors is an integer number (878332950).

Almost surely, 2^40243214616 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 40243214616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56213308800).

40243214616 is an abundant number, since it is smaller than the sum of its proper divisors (72183402984).

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

40243214616 is a wasteful number, since it uses less digits than its factorization.

40243214616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 40243214616 in words is "forty billion, two hundred forty-three million, two hundred fourteen thousand, six hundred sixteen".