40539721750 has 32 divisors (see below), whose sum is σ = 82789488288. Its totient is φ = 14741716000.

The previous prime is 40539721723. The next prime is 40539721757. The reversal of 40539721750 is 5712793504.

It is a junction number, because it is equal to n+sod(n) for n = 40539721697 and 40539721706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40539721757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7368109 + ... + 7373608.

It is an arithmetic number, because the mean of its divisors is an integer number (2587171509).

Almost surely, 2^40539721750 is an apocalyptic number.

40539721750 is an abundant number, since it is smaller than the sum of its proper divisors (42249766538).

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

40539721750 is a wasteful number, since it uses less digits than its factorization.

40539721750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14741745 (or 14741735 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 40539721750 in words is "forty billion, five hundred thirty-nine million, seven hundred twenty-one thousand, seven hundred fifty".