40077131606 has 8 divisors (see below), whose sum is σ = 60118431984. Its totient is φ = 20037654280.

The previous prime is 40077131573. The next prime is 40077131621. The reversal of 40077131606 is 60613177004.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 399410 + ... + 489573.

It is an arithmetic number, because the mean of its divisors is an integer number (7514803998).

Almost surely, 2^40077131606 is an apocalyptic number.

40077131606 is a deficient number, since it is larger than the sum of its proper divisors (20041300378).

40077131606 is a wasteful number, since it uses less digits than its factorization.

40077131606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911526.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 40077131606 in words is "forty billion, seventy-seven million, one hundred thirty-one thousand, six hundred six".