40053261563 has 8 divisors (see below), whose sum is σ = 45786577920. Its totient is φ = 34322800680.

The previous prime is 40053261541. The next prime is 40053261617. The reversal of 40053261563 is 36516235004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40053261563 - 2⁶ = 40053261499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40053260563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683723 + ... + 739988.

It is an arithmetic number, because the mean of its divisors is an integer number (5723322240).

Almost surely, 2^40053261563 is an apocalyptic number.

40053261563 is a deficient number, since it is larger than the sum of its proper divisors (5733316357).

40053261563 is a wasteful number, since it uses less digits than its factorization.

40053261563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427737.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 40053261563 its reverse (36516235004), we get a palindrome (76569496567).

The spelling of 40053261563 in words is "forty billion, fifty-three million, two hundred sixty-one thousand, five hundred sixty-three".