40699683785 has 16 divisors (see below), whose sum is σ = 49161676032. Its totient is φ = 32345740800.

The previous prime is 40699683781. The next prime is 40699683811. The reversal of 40699683785 is 58738699604.

It is not a de Polignac number, because 40699683785 - 2² = 40699683781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40699683781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426905 + ... + 513465.

It is an arithmetic number, because the mean of its divisors is an integer number (3072604752).

Almost surely, 2^40699683785 is an apocalyptic number.

It is an amenable number.

40699683785 is a deficient number, since it is larger than the sum of its proper divisors (8461992247).

40699683785 is a wasteful number, since it uses less digits than its factorization.

40699683785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87184.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 40699683785 in words is "forty billion, six hundred ninety-nine million, six hundred eighty-three thousand, seven hundred eighty-five".