40764253 has 4 divisors (see below), whose sum is σ = 42909760. Its totient is φ = 38618748.

The previous prime is 40764197. The next prime is 40764259. The reversal of 40764253 is 35246704.

40764253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40764253 - 2⁹ = 40763741 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 (40764259) 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 3 ways as a sum of consecutive naturals, for example, 1072725 + ... + 1072762.

It is an arithmetic number, because the mean of its divisors is an integer number (10727440).

Almost surely, 2^40764253 is an apocalyptic number.

It is an amenable number.

40764253 is a deficient number, since it is larger than the sum of its proper divisors (2145507).

40764253 is a wasteful number, since it uses less digits than its factorization.

40764253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145506.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 40764253 is about 6384.6889509200. The cubic root of 40764253 is about 344.1595533735.

The spelling of 40764253 in words is "forty million, seven hundred sixty-four thousand, two hundred fifty-three".