40265144 has 8 divisors (see below), whose sum is σ = 75497160. Its totient is φ = 20132568.

The previous prime is 40265143. The next prime is 40265149. The reversal of 40265144 is 44156204.

40265144 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 (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40265143) 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 as a sum of consecutive naturals, namely, 2516564 + ... + 2516579.

It is an arithmetic number, because the mean of its divisors is an integer number (9437145).

Almost surely, 2^40265144 is an apocalyptic number.

It is an amenable number.

40265144 is a deficient number, since it is larger than the sum of its proper divisors (35232016).

40265144 is a wasteful number, since it uses less digits than its factorization.

40265144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033149 (or 5033145 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40265144 is about 6345.4821723806. The cubic root of 40265144 is about 342.7491755941.

The spelling of 40265144 in words is "forty million, two hundred sixty-five thousand, one hundred forty-four".