40654212 has 24 divisors (see below), whose sum is σ = 94992576. Its totient is φ = 13532448.

The previous prime is 40654199. The next prime is 40654213. The reversal of 40654212 is 21245604.

It is not an unprimeable number, because it can be changed into a prime (40654213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8593 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (3958024).

Almost surely, 2^40654212 is an apocalyptic number.

It is an amenable number.

40654212 is an abundant number, since it is smaller than the sum of its proper divisors (54338364).

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

40654212 is a wasteful number, since it uses less digits than its factorization.

40654212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747 (or 4745 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40654212 is about 6376.0655580068. The cubic root of 40654212 is about 343.8495939740.

Adding to 40654212 its reverse (21245604), we get a palindrome (61899816).

The spelling of 40654212 in words is "forty million, six hundred fifty-four thousand, two hundred twelve".