40615954829 has 4 divisors (see below), whose sum is σ = 40616786940. Its totient is φ = 40615122720.

The previous prime is 40615954781. The next prime is 40615954859. The reversal of 40615954829 is 92845951604.

40615954829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13915741225 + 26700213604 = 117965^2 + 163402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40615954829 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 (40615954859) 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, 337952 + ... + 442089.

It is an arithmetic number, because the mean of its divisors is an integer number (10154196735).

Almost surely, 2^40615954829 is an apocalyptic number.

It is an amenable number.

40615954829 is a deficient number, since it is larger than the sum of its proper divisors (832111).

40615954829 is an equidigital number, since it uses as much as digits as its factorization.

40615954829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832110.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 40615954829 in words is "forty billion, six hundred fifteen million, nine hundred fifty-four thousand, eight hundred twenty-nine".