40515485166 has 24 divisors (see below), whose sum is σ = 94536132600. Its totient is φ = 12466303056.

The previous prime is 40515485119. The next prime is 40515485167. The reversal of 40515485166 is 66158451504.

40515485166 is a `hidden beast` number, since 4 + 0 + 5 + 1 + 5 + 485 + 166 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40515485167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86571316 + ... + 86571783.

It is an arithmetic number, because the mean of its divisors is an integer number (3939005525).

Almost surely, 2^40515485166 is an apocalyptic number.

40515485166 is an abundant number, since it is smaller than the sum of its proper divisors (54020647434).

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

40515485166 is a wasteful number, since it uses less digits than its factorization.

40515485166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173143120 (or 173143117 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 40515485166 in words is "forty billion, five hundred fifteen million, four hundred eighty-five thousand, one hundred sixty-six".