40622464445 has 4 divisors (see below), whose sum is σ = 48746957340. Its totient is φ = 32497971552.

The previous prime is 40622464411. The next prime is 40622464447. The reversal of 40622464445 is 54446422604.

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 16811196964 + 23811267481 = 129658^2 + 154309^2 .

It is a cyclic number.

It is not a de Polignac number, because 40622464445 - 2¹⁸ = 40622202301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40622464447) 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, 4062246440 + ... + 4062246449.

It is an arithmetic number, because the mean of its divisors is an integer number (12186739335).

Almost surely, 2^40622464445 is an apocalyptic number.

It is an amenable number.

40622464445 is a deficient number, since it is larger than the sum of its proper divisors (8124492895).

40622464445 is an equidigital number, since it uses as much as digits as its factorization.

40622464445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124492894.

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 40622464445 in words is "forty billion, six hundred twenty-two million, four hundred sixty-four thousand, four hundred forty-five".