40648383 has 24 divisors (see below), whose sum is σ = 61776000. Its totient is φ = 25705680.

The previous prime is 40648381. The next prime is 40648393. The reversal of 40648383 is 38384604.

40648383 is a `hidden beast` number, since 4 + 0 + 648 + 3 + 8 + 3 = 666.

It is not a de Polignac number, because 40648383 - 2¹ = 40648381 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40648381) 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 23 ways as a sum of consecutive naturals, for example, 26368 + ... + 27866.

It is an arithmetic number, because the mean of its divisors is an integer number (2574000).

Almost surely, 2^40648383 is an apocalyptic number.

40648383 is a deficient number, since it is larger than the sum of its proper divisors (21127617).

40648383 is a wasteful number, since it uses less digits than its factorization.

40648383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 40648383 is about 6375.6084415529. The cubic root of 40648383 is about 343.8331594729.

The spelling of 40648383 in words is "forty million, six hundred forty-eight thousand, three hundred eighty-three".