40711979406 has 64 divisors (see below), whose sum is σ = 98560240128. Its totient is φ = 10944380928.

The previous prime is 40711979401. The next prime is 40711979461. The reversal of 40711979406 is 60497911704.

It is a super-2 number, since 2×40711979406² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40711979401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3051406 + ... + 3064718.

It is an arithmetic number, because the mean of its divisors is an integer number (1540003752).

Almost surely, 2^40711979406 is an apocalyptic number.

40711979406 is an abundant number, since it is smaller than the sum of its proper divisors (57848260722).

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

40711979406 is a wasteful number, since it uses less digits than its factorization.

40711979406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17625.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 40711979406 in words is "forty billion, seven hundred eleven million, nine hundred seventy-nine thousand, four hundred six".