40633212 has 24 divisors (see below), whose sum is σ = 94931200. Its totient is φ = 13527216.

The previous prime is 40633211. The next prime is 40633253. The reversal of 40633212 is 21233604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40633211) 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, 10839 + ... + 14097.

Almost surely, 2^40633212 is an apocalyptic number.

It is an amenable number.

40633212 is an abundant number, since it is smaller than the sum of its proper divisors (54297988).

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

40633212 is a wasteful number, since it uses less digits than its factorization.

40633212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305 (or 4303 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40633212 is about 6374.4185617200. The cubic root of 40633212 is about 343.7903784193.

Adding to 40633212 its reverse (21233604), we get a palindrome (61866816).

The spelling of 40633212 in words is "forty million, six hundred thirty-three thousand, two hundred twelve".