40323721255 has 8 divisors (see below), whose sum is σ = 48406410000. Its totient is φ = 32247014016.

The previous prime is 40323721247. The next prime is 40323721267. The reversal of 40323721255 is 55212732304.

40323721255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40323721255 - 2³ = 40323721247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40323721255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480530 + ... + 1507519.

It is an arithmetic number, because the mean of its divisors is an integer number (6050801250).

Almost surely, 2^40323721255 is an apocalyptic number.

40323721255 is a deficient number, since it is larger than the sum of its proper divisors (8082688745).

40323721255 is a wasteful number, since it uses less digits than its factorization.

40323721255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990753.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 40323721255 in words is "forty billion, three hundred twenty-three million, seven hundred twenty-one thousand, two hundred fifty-five".