40622012 has 6 divisors (see below), whose sum is σ = 71088528. Its totient is φ = 20311004.

The previous prime is 40621969. The next prime is 40622017. The reversal of 40622012 is 21022604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40622017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077748 + ... + 5077755.

It is an arithmetic number, because the mean of its divisors is an integer number (11848088).

Almost surely, 2^40622012 is an apocalyptic number.

It is an amenable number.

40622012 is a deficient number, since it is larger than the sum of its proper divisors (30466516).

40622012 is a wasteful number, since it uses less digits than its factorization.

40622012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155507 (or 10155505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40622012 is about 6373.5399896761. The cubic root of 40622012 is about 343.7587884475.

Adding to 40622012 its reverse (21022604), we get a palindrome (61644616).

The spelling of 40622012 in words is "forty million, six hundred twenty-two thousand, twelve".