40525065644166 has 48 divisors (see below), whose sum is σ = 88016158599408. Its totient is φ = 13475776204800.

The previous prime is 40525065644137. The next prime is 40525065644177. The reversal of 40525065644166 is 66144656052504.

40525065644166 is a `hidden beast` number, since 4 + 0 + 525 + 0 + 6 + 56 + 4 + 4 + 1 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36311001 + ... + 37410411.

It is an arithmetic number, because the mean of its divisors is an integer number (1833669970821).

Almost surely, 2^{40525065644166} is an apocalyptic number.

40525065644166 is an abundant number, since it is smaller than the sum of its proper divisors (47491092955242).

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

40525065644166 is a wasteful number, since it uses less digits than its factorization.

40525065644166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104357 (or 1104354 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 40525065644166 in words is "forty trillion, five hundred twenty-five billion, sixty-five million, six hundred forty-four thousand, one hundred sixty-six".