40617684545 has 8 divisors (see below), whose sum is σ = 49874738496. Its totient is φ = 31738469616.

The previous prime is 40617684539. The next prime is 40617684563. The reversal of 40617684545 is 54548671604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40617684545 - 2²² = 40613490241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40617684493 and 40617684502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94459517 + ... + 94459946.

It is an arithmetic number, because the mean of its divisors is an integer number (6234342312).

Almost surely, 2^40617684545 is an apocalyptic number.

It is an amenable number.

40617684545 is a deficient number, since it is larger than the sum of its proper divisors (9257053951).

40617684545 is a wasteful number, since it uses less digits than its factorization.

40617684545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188919511.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 40617684545 in words is "forty billion, six hundred seventeen million, six hundred eighty-four thousand, five hundred forty-five".