40244613 has 8 divisors (see below), whose sum is σ = 53706048. Its totient is φ = 26806464.

The previous prime is 40244579. The next prime is 40244629. The reversal of 40244613 is 31644204.

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

It is not a de Polignac number, because 40244613 - 2⁸ = 40244357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (6713256).

Almost surely, 2^40244613 is an apocalyptic number.

It is an amenable number.

40244613 is a deficient number, since it is larger than the sum of its proper divisors (13461435).

40244613 is a wasteful number, since it uses less digits than its factorization.

40244613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40244613 is about 6343.8642009425. The cubic root of 40244613 is about 342.6909103138.

Adding to 40244613 its reverse (31644204), we get a palindrome (71888817).

The spelling of 40244613 in words is "forty million, two hundred forty-four thousand, six hundred thirteen".