40121412 has 24 divisors (see below), whose sum is σ = 93724512. Its totient is φ = 13358400.

The previous prime is 40121399. The next prime is 40121423. The reversal of 40121412 is 21412104.

It is a junction number, because it is equal to n+sod(n) for n = 40121391 and 40121400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14587 + ... + 17117.

It is an arithmetic number, because the mean of its divisors is an integer number (3905188).

Almost surely, 2^40121412 is an apocalyptic number.

It is an amenable number.

40121412 is an abundant number, since it is smaller than the sum of its proper divisors (53603100).

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

40121412 is a wasteful number, since it uses less digits than its factorization.

40121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859 (or 3857 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40121412 is about 6334.1465091992. The cubic root of 40121412 is about 342.3408591664.

Adding to 40121412 its reverse (21412104), we get a palindrome (61533516).

The spelling of 40121412 in words is "forty million, one hundred twenty-one thousand, four hundred twelve".