40720939795 has 8 divisors (see below), whose sum is σ = 48976440480. Its totient is φ = 32502543360.

The previous prime is 40720939771. The next prime is 40720939799. The reversal of 40720939795 is 59793902704.

40720939795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40720939795 - 2¹⁹ = 40720415507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40720939799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9273646 + ... + 9278035.

It is an arithmetic number, because the mean of its divisors is an integer number (6122055060).

Almost surely, 2^40720939795 is an apocalyptic number.

40720939795 is a deficient number, since it is larger than the sum of its proper divisors (8255500685).

40720939795 is a wasteful number, since it uses less digits than its factorization.

40720939795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552125.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 40720939795 in words is "forty billion, seven hundred twenty million, nine hundred thirty-nine thousand, seven hundred ninety-five".