40084451768 has 16 divisors (see below), whose sum is σ = 75161625000. Its totient is φ = 20041351776.

The previous prime is 40084451749. The next prime is 40084451801. The reversal of 40084451768 is 86715448004.

It is a super-2 number, since 2×40084451768² (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, 111983 + ... + 304481.

Almost surely, 2^40084451768 is an apocalyptic number.

It is an amenable number.

40084451768 is a deficient number, since it is larger than the sum of its proper divisors (35077173232).

40084451768 is a wasteful number, since it uses less digits than its factorization.

40084451768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218534 (or 218530 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 40084451768 in words is "forty billion, eighty-four million, four hundred fifty-one thousand, seven hundred sixty-eight".