40723230080 has 128 divisors (see below), whose sum is σ = 107677140480. Its totient is φ = 14629773312.

The previous prime is 40723230029. The next prime is 40723230089. The reversal of 40723230080 is 8003232704.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40723230089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241697 + ... + 373983.

It is an arithmetic number, because the mean of its divisors is an integer number (841227660).

Almost surely, 2^40723230080 is an apocalyptic number.

40723230080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40723230080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53838570240).

40723230080 is an abundant number, since it is smaller than the sum of its proper divisors (66953910400).

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

40723230080 is a wasteful number, since it uses less digits than its factorization.

40723230080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132356 (or 132344 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 40723230080 its reverse (8003232704), we get a palindrome (48726462784).

The spelling of 40723230080 in words is "forty billion, seven hundred twenty-three million, two hundred thirty thousand, eighty".