40155563512 has 16 divisors (see below), whose sum is σ = 75350021400. Its totient is φ = 20062224480.

The previous prime is 40155563501. The next prime is 40155563521. The reversal of 40155563512 is 21536555104.

It is a happy number.

It is a super-3 number, since 3×40155563512³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 3 ways as a sum of consecutive naturals, for example, 1933687 + ... + 1954342.

Almost surely, 2^40155563512 is an apocalyptic number.

It is an amenable number.

40155563512 is a deficient number, since it is larger than the sum of its proper divisors (35194457888).

40155563512 is a wasteful number, since it uses less digits than its factorization.

40155563512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889326 (or 3889322 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 40155563512 in words is "forty billion, one hundred fifty-five million, five hundred sixty-three thousand, five hundred twelve".