40618346329 has 32 divisors (see below), whose sum is σ = 45536909184. Its totient is φ = 35917639680.

The previous prime is 40618346287. The next prime is 40618346359. The reversal of 40618346329 is 92364381604.

40618346329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40618346329 - 2⁷ = 40618346201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40618346359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52545987 + ... + 52546759.

It is an arithmetic number, because the mean of its divisors is an integer number (1423028412).

Almost surely, 2^40618346329 is an apocalyptic number.

It is an amenable number.

40618346329 is a deficient number, since it is larger than the sum of its proper divisors (4918562855).

40618346329 is a wasteful number, since it uses less digits than its factorization.

40618346329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 40618346329 in words is "forty billion, six hundred eighteen million, three hundred forty-six thousand, three hundred twenty-nine".