40247264 has 24 divisors (see below), whose sum is σ = 79751448. Its totient is φ = 19992960.

The previous prime is 40247257. The next prime is 40247267. The reversal of 40247264 is 46274204.

40247264 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 not an unprimeable number, because it can be changed into a prime (40247267) 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 3 ways as a sum of consecutive naturals, for example, 1019 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (3322977).

Almost surely, 2^40247264 is an apocalyptic number.

It is an amenable number.

40247264 is a deficient number, since it is larger than the sum of its proper divisors (39504184).

40247264 is a wasteful number, since it uses less digits than its factorization.

40247264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178 (or 8170 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 40247264 is about 6344.0731395532. The cubic root of 40247264 is about 342.6984347466.

The spelling of 40247264 in words is "forty million, two hundred forty-seven thousand, two hundred sixty-four".