40261501563 has 24 divisors (see below), whose sum is σ = 55062255600. Its totient is φ = 26167787520.

The previous prime is 40261501559. The next prime is 40261501597. The reversal of 40261501563 is 36510516204.

It is not a de Polignac number, because 40261501563 - 2² = 40261501559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40261501963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13559143 + ... + 13562111.

It is an arithmetic number, because the mean of its divisors is an integer number (2294260650).

Almost surely, 2^40261501563 is an apocalyptic number.

40261501563 is a deficient number, since it is larger than the sum of its proper divisors (14800754037).

40261501563 is a wasteful number, since it uses less digits than its factorization.

40261501563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743 (or 5702 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 40261501563 in words is "forty billion, two hundred sixty-one million, five hundred one thousand, five hundred sixty-three".