40180525 has 24 divisors (see below), whose sum is σ = 62121024. Its totient is φ = 25046400.

The previous prime is 40180507. The next prime is 40180531. The reversal of 40180525 is 52508104.

40180525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40180525 - 2⁵ = 40180493 is a prime.

It is a super-2 number, since 2×40180525² = 3228949178551250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40180525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8512 + ... + 12361.

It is an arithmetic number, because the mean of its divisors is an integer number (2588376).

Almost surely, 2^40180525 is an apocalyptic number.

It is an amenable number.

40180525 is a deficient number, since it is larger than the sum of its proper divisors (21940499).

40180525 is a wasteful number, since it uses less digits than its factorization.

40180525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20901 (or 20896 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 40180525 is about 6338.8110083832. The cubic root of 40180525 is about 342.5089062987.

Adding to 40180525 its reverse (52508104), we get a palindrome (92688629).

The spelling of 40180525 in words is "forty million, one hundred eighty thousand, five hundred twenty-five".