40451412 has 12 divisors (see below), whose sum is σ = 94386656. Its totient is φ = 13483800.

The previous prime is 40451407. The next prime is 40451423. The reversal of 40451412 is 21415404.

It is a happy number.

40451412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685464 + ... + 1685487.

Almost surely, 2^40451412 is an apocalyptic number.

It is an amenable number.

40451412 is an abundant number, since it is smaller than the sum of its proper divisors (53935244).

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

40451412 is a wasteful number, since it uses less digits than its factorization.

40451412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370958 (or 3370956 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 40451412 is about 6360.1424512349. The cubic root of 40451412 is about 343.2768860186.

Adding to 40451412 its reverse (21415404), we get a palindrome (61866816).

The spelling of 40451412 in words is "forty million, four hundred fifty-one thousand, four hundred twelve".