40204565843247 has 48 divisors (see below), whose sum is σ = 62630522293248. Its totient is φ = 24705658497600.

The previous prime is 40204565843207. The next prime is 40204565843261. The reversal of 40204565843247 is 74234856540204.

It is a happy number.

40204565843247 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 4 + 56 + 584 + 3 + 2 + 4 + 7 = 666.

It is not a de Polignac number, because 40204565843247 - 2²⁰ = 40204564794671 is a prime.

It is a super-2 number, since 2×40204565843247² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40204565843193 and 40204565843202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204565843207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227504872 + ... + 227681522.

It is an arithmetic number, because the mean of its divisors is an integer number (1304802547776).

Almost surely, 2^{40204565843247} is an apocalyptic number.

40204565843247 is a deficient number, since it is larger than the sum of its proper divisors (22425956450001).

40204565843247 is a wasteful number, since it uses less digits than its factorization.

40204565843247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179460 (or 179457 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 54.

The spelling of 40204565843247 in words is "forty trillion, two hundred four billion, five hundred sixty-five million, eight hundred forty-three thousand, two hundred forty-seven".