40240753 has 4 divisors (see below), whose sum is σ = 45989440. Its totient is φ = 34492068.

The previous prime is 40240709. The next prime is 40240787. The reversal of 40240753 is 35704204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40240753 - 2¹³ = 40232561 is a prime.

It is a super-3 number, since 3×40240753³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40240703) 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 3 ways as a sum of consecutive naturals, for example, 2874333 + ... + 2874346.

It is an arithmetic number, because the mean of its divisors is an integer number (11497360).

Almost surely, 2^40240753 is an apocalyptic number.

It is an amenable number.

40240753 is a deficient number, since it is larger than the sum of its proper divisors (5748687).

40240753 is an equidigital number, since it uses as much as digits as its factorization.

40240753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748686.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40240753 is about 6343.5599626708. The cubic root of 40240753 is about 342.6799537401.

Adding to 40240753 its reverse (35704204), we get a palindrome (75944957).

The spelling of 40240753 in words is "forty million, two hundred forty thousand, seven hundred fifty-three".