40632566224561 has 4 divisors (see below), whose sum is σ = 40632589132324. Its totient is φ = 40632543316800.

The previous prime is 40632566224543. The next prime is 40632566224567. The reversal of 40632566224561 is 16542266523604.

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 16287035918400 + 24345530306161 = 4035720^2 + 4934119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40632566224561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40632566224499 and 40632566224508.

It is not an unprimeable number, because it can be changed into a prime (40632566224567) 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, 8547420 + ... + 12422701.

It is an arithmetic number, because the mean of its divisors is an integer number (10158147283081).

Almost surely, 2^{40632566224561} is an apocalyptic number.

It is an amenable number.

40632566224561 is a deficient number, since it is larger than the sum of its proper divisors (22907763).

40632566224561 is a wasteful number, since it uses less digits than its factorization.

40632566224561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22907762.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 40632566224561 in words is "forty trillion, six hundred thirty-two billion, five hundred sixty-six million, two hundred twenty-four thousand, five hundred sixty-one".