40253717711 has 4 divisors (see below), whose sum is σ = 40297048800. Its totient is φ = 40210386624.

The previous prime is 40253717681. The next prime is 40253717771. The reversal of 40253717711 is 11771735204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40253717711 - 2²² = 40249523407 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 (40253717771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21664151 + ... + 21666008.

It is an arithmetic number, because the mean of its divisors is an integer number (10074262200).

Almost surely, 2^40253717711 is an apocalyptic number.

40253717711 is a deficient number, since it is larger than the sum of its proper divisors (43331089).

40253717711 is an equidigital number, since it uses as much as digits as its factorization.

40253717711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43331088.

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 40253717711 in words is "forty billion, two hundred fifty-three million, seven hundred seventeen thousand, seven hundred eleven".