40268916 has 36 divisors (see below), whose sum is σ = 103521600. Its totient is φ = 13194768.

The previous prime is 40268911. The next prime is 40268927. The reversal of 40268916 is 61986204.

40268916 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40268911) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7356 + ... + 11603.

It is an arithmetic number, because the mean of its divisors is an integer number (2875600).

Almost surely, 2^40268916 is an apocalyptic number.

It is an amenable number.

40268916 is an abundant number, since it is smaller than the sum of its proper divisors (63252684).

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

40268916 is a wasteful number, since it uses less digits than its factorization.

40268916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19028 (or 19023 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40268916 is about 6345.7793847565. The cubic root of 40268916 is about 342.7598780644.

The spelling of 40268916 in words is "forty million, two hundred sixty-eight thousand, nine hundred sixteen".