40468456188 has 18 divisors (see below), whose sum is σ = 102295264344. Its totient is φ = 13489485384.

The previous prime is 40468456177. The next prime is 40468456229. The reversal of 40468456188 is 88165486404.

It is a happy number.

40468456188 is a `hidden beast` number, since 4 + 0 + 4 + 6 + 8 + 456 + 188 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 562061856 + ... + 562061927.

Almost surely, 2^40468456188 is an apocalyptic number.

It is an amenable number.

40468456188 is an abundant number, since it is smaller than the sum of its proper divisors (61826808156).

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

40468456188 is a wasteful number, since it uses less digits than its factorization.

40468456188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124123793 (or 1124123788 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 40468456188 in words is "forty billion, four hundred sixty-eight million, four hundred fifty-six thousand, one hundred eighty-eight".