40264442045 has 16 divisors (see below), whose sum is σ = 50503191552. Its totient is φ = 30759041280.

The previous prime is 40264442041. The next prime is 40264442147. The reversal of 40264442045 is 54024446204.

It is not a de Polignac number, because 40264442045 - 2² = 40264442041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40264441996 and 40264442014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40264442041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227021 + ... + 363410.

It is an arithmetic number, because the mean of its divisors is an integer number (3156449472).

Almost surely, 2^40264442045 is an apocalyptic number.

It is an amenable number.

40264442045 is a deficient number, since it is larger than the sum of its proper divisors (10238749507).

40264442045 is a wasteful number, since it uses less digits than its factorization.

40264442045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591052.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 40264442045 its reverse (54024446204), we get a palindrome (94288888249).

The spelling of 40264442045 in words is "forty billion, two hundred sixty-four million, four hundred forty-two thousand, forty-five".