40235520905 has 8 divisors (see below), whose sum is σ = 50823816000. Its totient is φ = 30494289456.

The previous prime is 40235520901. The next prime is 40235520977. The reversal of 40235520905 is 50902553204.

40235520905 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 40235520905 - 2² = 40235520901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40235520901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211765805 + ... + 211765994.

It is an arithmetic number, because the mean of its divisors is an integer number (6352977000).

Almost surely, 2^40235520905 is an apocalyptic number.

It is an amenable number.

40235520905 is a deficient number, since it is larger than the sum of its proper divisors (10588295095).

40235520905 is a wasteful number, since it uses less digits than its factorization.

40235520905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423531823.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 40235520905 in words is "forty billion, two hundred thirty-five million, five hundred twenty thousand, nine hundred five".