40106587050 has 60 divisors (see below), whose sum is σ = 111436906086. Its totient is φ = 10695088800.

The previous prime is 40106587049. The next prime is 40106587067. The reversal of 40106587050 is 5078560104.

It can be written as a sum of positive squares in 3 ways, for example, as 20341320129 + 19765266921 = 142623^2 + 140589^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40106586996 and 40106587014.

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 29 ways as a sum of consecutive naturals, for example, 4947381 + ... + 4955480.

Almost surely, 2^40106587050 is an apocalyptic number.

40106587050 is an abundant number, since it is smaller than the sum of its proper divisors (71330319036).

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

40106587050 is a wasteful number, since it uses less digits than its factorization.

40106587050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9902885 (or 9902871 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 40106587050 in words is "forty billion, one hundred six million, five hundred eighty-seven thousand, fifty".