40611017648 has 20 divisors (see below), whose sum is σ = 80168449248. Its totient is φ = 19922385600.

The previous prime is 40611017609. The next prime is 40611017659. The reversal of 40611017648 is 84671011604.

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 in 3 ways as a sum of consecutive naturals, for example, 23944328 + ... + 23946023.

Almost surely, 2^40611017648 is an apocalyptic number.

It is an amenable number.

40611017648 is a deficient number, since it is larger than the sum of its proper divisors (39557431600).

40611017648 is a wasteful number, since it uses less digits than its factorization.

40611017648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47890412 (or 47890406 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 40611017648 in words is "forty billion, six hundred eleven million, seventeen thousand, six hundred forty-eight".