40177972105 has 4 divisors (see below), whose sum is σ = 48213566532. Its totient is φ = 32142377680.

The previous prime is 40177972103. The next prime is 40177972151. The reversal of 40177972105 is 50127977104.

40177972105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22083148816 + 18094823289 = 148604^2 + 134517^2 .

It is not a de Polignac number, because 40177972105 - 2¹ = 40177972103 is a prime.

It is a super-2 number, since 2×40177972105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40177972103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4017797206 + ... + 4017797215.

It is an arithmetic number, because the mean of its divisors is an integer number (12053391633).

Almost surely, 2^40177972105 is an apocalyptic number.

It is an amenable number.

40177972105 is a deficient number, since it is larger than the sum of its proper divisors (8035594427).

40177972105 is an equidigital number, since it uses as much as digits as its factorization.

40177972105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035594426.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 40177972105 in words is "forty billion, one hundred seventy-seven million, nine hundred seventy-two thousand, one hundred five".