40049912 has 32 divisors (see below), whose sum is σ = 86594400. Its totient is φ = 17009664.

The previous prime is 40049897. The next prime is 40049921. The reversal of 40049912 is 21994004.

40049912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 3164 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (2706075).

Almost surely, 2^40049912 is an apocalyptic number.

It is a pronic number, being equal to 6328×6329.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40049912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43297200).

40049912 is an abundant number, since it is smaller than the sum of its proper divisors (46544488).

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

40049912 is a wasteful number, since it uses less digits than its factorization.

40049912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455 (or 6451 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 40049912 is about 6328.4999802481. The cubic root of 40049912 is about 342.1373774101.

The spelling of 40049912 in words is "forty million, forty-nine thousand, nine hundred twelve".