40987719558 has 12 divisors (see below), whose sum is σ = 88806725748. Its totient is φ = 13662573180.

The previous prime is 40987719541. The next prime is 40987719587. The reversal of 40987719558 is 85591778904.

40987719558 is a `hidden beast` number, since 4 + 0 + 9 + 8 + 7 + 71 + 9 + 558 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40987719495 and 40987719504.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1138547748 + ... + 1138547783.

It is an arithmetic number, because the mean of its divisors is an integer number (7400560479).

Almost surely, 2^40987719558 is an apocalyptic number.

40987719558 is an abundant number, since it is smaller than the sum of its proper divisors (47819006190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40987719558 is a wasteful number, since it uses less digits than its factorization.

40987719558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277095539 (or 2277095536 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 63.

The spelling of 40987719558 in words is "forty billion, nine hundred eighty-seven million, seven hundred nineteen thousand, five hundred fifty-eight".