40211312 has 20 divisors (see below), whose sum is σ = 79381080. Its totient is φ = 19725888.

The previous prime is 40211293. The next prime is 40211351. The reversal of 40211312 is 21311204.

It is a super-2 number, since 2×40211312² = 3233899225522688, which contains 22 as substring.

It is a congruent number.

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, 22862 + ... + 24557.

It is an arithmetic number, because the mean of its divisors is an integer number (3969054).

Almost surely, 2^40211312 is an apocalyptic number.

It is an amenable number.

40211312 is a deficient number, since it is larger than the sum of its proper divisors (39169768).

40211312 is a wasteful number, since it uses less digits than its factorization.

40211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47480 (or 47474 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40211312 is about 6341.2389956538. The cubic root of 40211312 is about 342.5963626774.

Adding to 40211312 its reverse (21311204), we get a palindrome (61522516).

The spelling of 40211312 in words is "forty million, two hundred eleven thousand, three hundred twelve".