40965226129 has 4 divisors (see below), whose sum is σ = 40989003376. Its totient is φ = 40941448884.

The previous prime is 40965226079. The next prime is 40965226171. The reversal of 40965226129 is 92162256904.

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 not a de Polignac number, because 40965226129 - 2⁹ = 40965225617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40965226829) 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, 11886039 + ... + 11889484.

It is an arithmetic number, because the mean of its divisors is an integer number (10247250844).

Almost surely, 2^40965226129 is an apocalyptic number.

It is an amenable number.

40965226129 is a deficient number, since it is larger than the sum of its proper divisors (23777247).

40965226129 is a wasteful number, since it uses less digits than its factorization.

40965226129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23777246.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 40965226129 in words is "forty billion, nine hundred sixty-five million, two hundred twenty-six thousand, one hundred twenty-nine".