40297753 has 12 divisors (see below), whose sum is σ = 41997312. Its totient is φ = 38648280.

The previous prime is 40297723. The next prime is 40297781. The reversal of 40297753 is 35779204.

40297753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

40297753 is a nontrivial binomial coefficient, being equal to C(8978, 2).

It is a de Polignac number, because none of the positive numbers 2^k-40297753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40297703) 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 11 ways as a sum of consecutive naturals, for example, 210888 + ... + 211078.

It is an arithmetic number, because the mean of its divisors is an integer number (3499776).

Almost surely, 2^40297753 is an apocalyptic number.

40297753 is the 8977-th triangular number and also the 4489-th hexagonal number.

40297753 is the 2993-rd centered nonagonal number.

It is an amenable number.

40297753 is a deficient number, since it is larger than the sum of its proper divisors (1699559).

40297753 is an equidigital number, since it uses as much as digits as its factorization.

40297753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 40297753 is about 6348.0511182567. The cubic root of 40297753 is about 342.8416765427.

The spelling of 40297753 in words is "forty million, two hundred ninety-seven thousand, seven hundred fifty-three".