40050861688 has 8 divisors (see below), whose sum is σ = 75095365680. Its totient is φ = 20025430840.

The previous prime is 40050861667. The next prime is 40050861689. The reversal of 40050861688 is 88616805004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×40050861688³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050861689) by changing a digit.

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 as a sum of consecutive naturals, namely, 2503178848 + ... + 2503178863.

It is an arithmetic number, because the mean of its divisors is an integer number (9386920710).

Almost surely, 2^40050861688 is an apocalyptic number.

It is an amenable number.

40050861688 is a deficient number, since it is larger than the sum of its proper divisors (35044503992).

40050861688 is a wasteful number, since it uses less digits than its factorization.

40050861688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006357717 (or 5006357713 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 40050861688 in words is "forty billion, fifty million, eight hundred sixty-one thousand, six hundred eighty-eight".