40510987834 has 8 divisors (see below), whose sum is σ = 62248591188. Its totient is φ = 19761457440.

The previous prime is 40510987819. The next prime is 40510987843. The reversal of 40510987834 is 43878901504.

It can be written as a sum of positive squares in 2 ways, for example, as 30249905625 + 10261082209 = 173925^2 + 101297^2 .

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

It is a super-2 number, since 2×40510987834² (a number of 22 digits) contains 22 as substring.

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, 247018137 + ... + 247018300.

Almost surely, 2^40510987834 is an apocalyptic number.

40510987834 is a deficient number, since it is larger than the sum of its proper divisors (21737603354).

40510987834 is a wasteful number, since it uses less digits than its factorization.

40510987834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494036480.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 40510987834 in words is "forty billion, five hundred ten million, nine hundred eighty-seven thousand, eight hundred thirty-four".