40383212 has 12 divisors (see below), whose sum is σ = 70865760. Its totient is φ = 20135856.

The previous prime is 40383209. The next prime is 40383221. The reversal of 40383212 is 21238304.

It is a super-2 number, since 2×40383212² = 3261607622873888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12287 + ... + 15222.

It is an arithmetic number, because the mean of its divisors is an integer number (5905480).

Almost surely, 2^40383212 is an apocalyptic number.

It is an amenable number.

40383212 is a deficient number, since it is larger than the sum of its proper divisors (30482548).

40383212 is a wasteful number, since it uses less digits than its factorization.

40383212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27880 (or 27878 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40383212 is about 6354.7786743521. The cubic root of 40383212 is about 343.0838589453.

The spelling of 40383212 in words is "forty million, three hundred eighty-three thousand, two hundred twelve".