40289180 has 12 divisors (see below), whose sum is σ = 84607320. Its totient is φ = 16115664.

The previous prime is 40289173. The next prime is 40289191. The reversal of 40289180 is 8198204.

It is a happy number.

40289180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 7.

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 3 ways as a sum of consecutive naturals, for example, 1007210 + ... + 1007249.

It is an arithmetic number, because the mean of its divisors is an integer number (7050610).

Almost surely, 2^40289180 is an apocalyptic number.

It is an amenable number.

40289180 is an abundant number, since it is smaller than the sum of its proper divisors (44318140).

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

40289180 is a wasteful number, since it uses less digits than its factorization.

40289180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014468 (or 2014466 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 40289180 is about 6347.3758357293. The cubic root of 40289180 is about 342.8173626135.

The spelling of 40289180 in words is "forty million, two hundred eighty-nine thousand, one hundred eighty".