40177972106 has 32 divisors (see below), whose sum is σ = 64690572240. Its totient is φ = 18677385216.

The previous prime is 40177972103. The next prime is 40177972151. The reversal of 40177972106 is 60127977104.

40177972106 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 23697831481 + 16480140625 = 153941^2 + 128375^2 .

It is a super-2 number, since 2×40177972106² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 111656 + ... + 304668.

Almost surely, 2^40177972106 is an apocalyptic number.

40177972106 is a deficient number, since it is larger than the sum of its proper divisors (24512600134).

40177972106 is a wasteful number, since it uses less digits than its factorization.

40177972106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193178.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 40177972106 in words is "forty billion, one hundred seventy-seven million, nine hundred seventy-two thousand, one hundred six".