40461442829 has 4 divisors (see below), whose sum is σ = 40948930176. Its totient is φ = 39973955484.

The previous prime is 40461442781. The next prime is 40461442831. The reversal of 40461442829 is 92824416404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40461442829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40461442829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40461442129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243743549 + ... + 243743714.

It is an arithmetic number, because the mean of its divisors is an integer number (10237232544).

Almost surely, 2^40461442829 is an apocalyptic number.

It is an amenable number.

40461442829 is a deficient number, since it is larger than the sum of its proper divisors (487487347).

40461442829 is an equidigital number, since it uses as much as digits as its factorization.

40461442829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487487346.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 40461442829 in words is "forty billion, four hundred sixty-one million, four hundred forty-two thousand, eight hundred twenty-nine".