40346040136 has 8 divisors (see below), whose sum is σ = 75648825270. Its totient is φ = 20173020064.

The previous prime is 40346040121. The next prime is 40346040149. The reversal of 40346040136 is 63104064304.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40340722500 + 5317636 = 200850^2 + 2306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40346040098 and 40346040107.

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 as a sum of consecutive naturals, namely, 2521627501 + ... + 2521627516.

Almost surely, 2^40346040136 is an apocalyptic number.

It is an amenable number.

40346040136 is a deficient number, since it is larger than the sum of its proper divisors (35302785134).

40346040136 is a wasteful number, since it uses less digits than its factorization.

40346040136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043255023 (or 5043255019 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 40346040136 in words is "forty billion, three hundred forty-six million, forty thousand, one hundred thirty-six".