40080212 has 24 divisors (see below), whose sum is σ = 71490216. Its totient is φ = 19657728.

The previous prime is 40080211. The next prime is 40080217. The reversal of 40080212 is 21208004.

It can be written as a sum of positive squares in 4 ways, for example, as 188356 + 39891856 = 434^2 + 6316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40080211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92348 + ... + 92780.

It is an arithmetic number, because the mean of its divisors is an integer number (2978759).

Almost surely, 2^40080212 is an apocalyptic number.

It is an amenable number.

40080212 is a deficient number, since it is larger than the sum of its proper divisors (31410004).

40080212 is a wasteful number, since it uses less digits than its factorization.

40080212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40080212 is about 6330.8934598523. The cubic root of 40080212 is about 342.2236376852.

Adding to 40080212 its reverse (21208004), we get a palindrome (61288216).

The spelling of 40080212 in words is "forty million, eighty thousand, two hundred twelve".