40563620722061 has 16 divisors (see below), whose sum is σ = 41273362022400. Its totient is φ = 39859550869248.

The previous prime is 40563620722039. The next prime is 40563620722063. The reversal of 40563620722061 is 16022702636504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40563620722061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40563620722063) 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, 297020585 + ... + 297157121.

It is an arithmetic number, because the mean of its divisors is an integer number (2579585126400).

Almost surely, 2^{40563620722061} is an apocalyptic number.

It is an amenable number.

40563620722061 is a deficient number, since it is larger than the sum of its proper divisors (709741300339).

40563620722061 is a wasteful number, since it uses less digits than its factorization.

40563620722061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157268.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 40563620722061 in words is "forty trillion, five hundred sixty-three billion, six hundred twenty million, seven hundred twenty-two thousand, sixty-one".