40408701785 has 8 divisors (see below), whose sum is σ = 48720255936. Its totient is φ = 32173752240.

The previous prime is 40408701737. The next prime is 40408701829. The reversal of 40408701785 is 58710780404.

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

It is not a de Polignac number, because 40408701785 - 2⁶ = 40408701721 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 19149989 + ... + 19152098.

It is an arithmetic number, because the mean of its divisors is an integer number (6090031992).

Almost surely, 2^40408701785 is an apocalyptic number.

It is an amenable number.

40408701785 is a deficient number, since it is larger than the sum of its proper divisors (8311554151).

40408701785 is a wasteful number, since it uses less digits than its factorization.

40408701785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38302303.

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 40408701785 in words is "forty billion, four hundred eight million, seven hundred one thousand, seven hundred eighty-five".