40191673885 has 16 divisors (see below), whose sum is σ = 52642369152. Its totient is φ = 29214856000.

The previous prime is 40191673861. The next prime is 40191673891. The reversal of 40191673885 is 58837619104.

40191673885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40191673885 - 2¹⁷ = 40191542813 is a prime.

It is a super-3 number, since 3×40191673885³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87649 + ... + 296758.

It is an arithmetic number, because the mean of its divisors is an integer number (3290148072).

Almost surely, 2^40191673885 is an apocalyptic number.

It is an amenable number.

40191673885 is a deficient number, since it is larger than the sum of its proper divisors (12450695267).

40191673885 is a wasteful number, since it uses less digits than its factorization.

40191673885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386324.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 40191673885 in words is "forty billion, one hundred ninety-one million, six hundred seventy-three thousand, eight hundred eighty-five".