40120770605 has 8 divisors (see below), whose sum is σ = 48147414552. Its totient is φ = 32094956608.

The previous prime is 40120770577. The next prime is 40120770631. The reversal of 40120770605 is 50607702104.

It can be written as a sum of positive squares in 4 ways, for example, as 19895948809 + 20224821796 = 141053^2 + 142214^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40120770605 - 2²² = 40116576301 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 95654 + ... + 298983.

It is an arithmetic number, because the mean of its divisors is an integer number (6018426819).

Almost surely, 2^40120770605 is an apocalyptic number.

It is an amenable number.

40120770605 is a deficient number, since it is larger than the sum of its proper divisors (8026643947).

40120770605 is a wasteful number, since it uses less digits than its factorization.

40120770605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414975.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 40120770605 in words is "forty billion, one hundred twenty million, seven hundred seventy thousand, six hundred five".