40464247 has 8 divisors (see below), whose sum is σ = 41500800. Its totient is φ = 39432120.

The previous prime is 40464241. The next prime is 40464287. The reversal of 40464247 is 74246404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40464247 - 2¹¹ = 40462199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40464241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24972 + ... + 26542.

It is an arithmetic number, because the mean of its divisors is an integer number (5187600).

Almost surely, 2^40464247 is an apocalyptic number.

40464247 is a deficient number, since it is larger than the sum of its proper divisors (1036553).

40464247 is a wasteful number, since it uses less digits than its factorization.

40464247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 40464247 is about 6361.1513894892. The cubic root of 40464247 is about 343.3131887721.

The spelling of 40464247 in words is "forty million, four hundred sixty-four thousand, two hundred forty-seven".