40089212 has 6 divisors (see below), whose sum is σ = 70156128. Its totient is φ = 20044604.

The previous prime is 40089199. The next prime is 40089229. The reversal of 40089212 is 21298004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011148 + ... + 5011155.

It is an arithmetic number, because the mean of its divisors is an integer number (11692688).

Almost surely, 2^40089212 is an apocalyptic number.

It is an amenable number.

40089212 is a deficient number, since it is larger than the sum of its proper divisors (30066916).

40089212 is a wasteful number, since it uses less digits than its factorization.

40089212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022307 (or 10022305 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 40089212 is about 6331.6042201009. The cubic root of 40089212 is about 342.2492511744.

The spelling of 40089212 in words is "forty million, eighty-nine thousand, two hundred twelve".