40730308880 has 80 divisors (see below), whose sum is σ = 95977450800. Its totient is φ = 16072826880.

The previous prime is 40730308877. The next prime is 40730308907. The reversal of 40730308880 is 8880303704.

40730308880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14475939856 + 26254369024 = 120316^2 + 162032^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×40730308880² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276116 + ... + 3288524.

It is an arithmetic number, because the mean of its divisors is an integer number (1199718135).

Almost surely, 2^40730308880 is an apocalyptic number.

40730308880 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 40730308880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47988725400).

40730308880 is an abundant number, since it is smaller than the sum of its proper divisors (55247141920).

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

40730308880 is a wasteful number, since it uses less digits than its factorization.

40730308880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972 (or 12966 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 40730308880 in words is "forty billion, seven hundred thirty million, three hundred eight thousand, eight hundred eighty".