40450101212 has 6 divisors (see below), whose sum is σ = 70787677128. Its totient is φ = 20225050604.

The previous prime is 40450101179. The next prime is 40450101217. The reversal of 40450101212 is 21210105404.

It is a happy number.

It is a super-2 number, since 2×40450101212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450101217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056262648 + ... + 5056262655.

It is an arithmetic number, because the mean of its divisors is an integer number (11797946188).

Almost surely, 2^40450101212 is an apocalyptic number.

It is an amenable number.

40450101212 is a deficient number, since it is larger than the sum of its proper divisors (30337575916).

40450101212 is a wasteful number, since it uses less digits than its factorization.

40450101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112525307 (or 10112525305 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 40450101212 its reverse (21210105404), we get a palindrome (61660206616).

The spelling of 40450101212 in words is "forty billion, four hundred fifty million, one hundred one thousand, two hundred twelve".