40208033643858 has 16 divisors (see below), whose sum is σ = 89351185875360. Its totient is φ = 13402677881268.

The previous prime is 40208033643853. The next prime is 40208033643871. The reversal of 40208033643858 is 85834633080204.

40208033643858 is a `hidden beast` number, since 40 + 208 + 0 + 3 + 364 + 38 + 5 + 8 = 666.

It is a super-2 number, since 2×40208033643858² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 744593215627 = 40208033643858 / (4 + 0 + 2 + 0 + 8 + 0 + 3 + 3 + 6 + 4 + 3 + 8 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (40208033643853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372296607760 + ... + 372296607867.

It is an arithmetic number, because the mean of its divisors is an integer number (5584449117210).

Almost surely, 2^{40208033643858} is an apocalyptic number.

40208033643858 is an abundant number, since it is smaller than the sum of its proper divisors (49143152231502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40208033643858 is a wasteful number, since it uses less digits than its factorization.

40208033643858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744593215638 (or 744593215632 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 40208033643858 in words is "forty trillion, two hundred eight billion, thirty-three million, six hundred forty-three thousand, eight hundred fifty-eight".