40143528508 has 12 divisors (see below), whose sum is σ = 70682164840. Its totient is φ = 19948624272.

The previous prime is 40143528463. The next prime is 40143528511. The reversal of 40143528508 is 80582534104.

40143528508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40143528508² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30784263 + ... + 30785566.

Almost surely, 2^40143528508 is an apocalyptic number.

It is an amenable number.

40143528508 is a deficient number, since it is larger than the sum of its proper divisors (30538636332).

40143528508 is a wasteful number, since it uses less digits than its factorization.

40143528508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61569996 (or 61569994 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 40143528508 in words is "forty billion, one hundred forty-three million, five hundred twenty-eight thousand, five hundred eight".