40617557488 has 40 divisors (see below), whose sum is σ = 81040575968. Its totient is φ = 19706810112.

The previous prime is 40617557483. The next prime is 40617557489. The reversal of 40617557488 is 88475571604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40617557483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128845 + ... + 312787.

Almost surely, 2^40617557488 is an apocalyptic number.

It is an amenable number.

40617557488 is a deficient number, since it is larger than the sum of its proper divisors (40423018480).

40617557488 is a wasteful number, since it uses less digits than its factorization.

40617557488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184361 (or 184355 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 40617557488 in words is "forty billion, six hundred seventeen million, five hundred fifty-seven thousand, four hundred eighty-eight".