40803838785 has 24 divisors (see below), whose sum is σ = 70747971840. Its totient is φ = 21755488032.

The previous prime is 40803838727. The next prime is 40803838813. The reversal of 40803838785 is 58783830804.

40803838785 is a `hidden beast` number, since 408 + 0 + 3 + 83 + 87 + 85 = 666.

It is not a de Polignac number, because 40803838785 - 2¹⁴ = 40803822401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16182 + ... + 286128.

It is an arithmetic number, because the mean of its divisors is an integer number (2947832160).

Almost surely, 2^40803838785 is an apocalyptic number.

40803838785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40803838785 is a deficient number, since it is larger than the sum of its proper divisors (29944133055).

40803838785 is a wasteful number, since it uses less digits than its factorization.

40803838785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273317 (or 273314 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 40803838785 in words is "forty billion, eight hundred three million, eight hundred thirty-eight thousand, seven hundred eighty-five".