40256753423 has 8 divisors (see below), whose sum is σ = 42627955392. Its totient is φ = 37885902336.

The previous prime is 40256753401. The next prime is 40256753437. The reversal of 40256753423 is 32435765204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40256753423 - 2⁸ = 40256753167 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 (40256753483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170186 + ... + 330872.

It is an arithmetic number, because the mean of its divisors is an integer number (5328494424).

Almost surely, 2^40256753423 is an apocalyptic number.

40256753423 is a deficient number, since it is larger than the sum of its proper divisors (2371201969).

40256753423 is a wasteful number, since it uses less digits than its factorization.

40256753423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175441.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 40256753423 in words is "forty billion, two hundred fifty-six million, seven hundred fifty-three thousand, four hundred twenty-three".