40040166573 has 48 divisors (see below), whose sum is σ = 64569151296. Its totient is φ = 23703313920.

The previous prime is 40040166557. The next prime is 40040166577. The reversal of 40040166573 is 37566104004.

It is a happy number.

40040166573 is a `hidden beast` number, since 40 + 0 + 40 + 1 + 6 + 6 + 573 = 666.

It is not a de Polignac number, because 40040166573 - 2⁴ = 40040166557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040166577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1174261 + ... + 1207877.

It is an arithmetic number, because the mean of its divisors is an integer number (1345190652).

Almost surely, 2^40040166573 is an apocalyptic number.

It is an amenable number.

40040166573 is a deficient number, since it is larger than the sum of its proper divisors (24528984723).

40040166573 is a wasteful number, since it uses less digits than its factorization.

40040166573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33914 (or 33911 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 40040166573 in words is "forty billion, forty million, one hundred sixty-six thousand, five hundred seventy-three".