40525959 has 8 divisors (see below), whose sum is σ = 55777792. Its totient is φ = 26145720.

The previous prime is 40525957. The next prime is 40525967. The reversal of 40525959 is 95952504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40525959 - 2¹ = 40525957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40525957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217789 + ... + 217974.

It is an arithmetic number, because the mean of its divisors is an integer number (6972224).

Almost surely, 2^40525959 is an apocalyptic number.

40525959 is a deficient number, since it is larger than the sum of its proper divisors (15251833).

40525959 is a wasteful number, since it uses less digits than its factorization.

40525959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435797.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 40525959 is about 6366.0002356268. Note that the first 3 decimals coincide. The cubic root of 40525959 is about 343.4876290386.

It can be divided in two parts, 4052 and 5959, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 40525959 in words is "forty million, five hundred twenty-five thousand, nine hundred fifty-nine".