40706751563 has 4 divisors (see below), whose sum is σ = 41653420248. Its totient is φ = 39760082880.

The previous prime is 40706751557. The next prime is 40706751577. The reversal of 40706751563 is 36515760704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40706751563 - 2⁶ = 40706751499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40706751763) 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, 473334278 + ... + 473334363.

It is an arithmetic number, because the mean of its divisors is an integer number (10413355062).

Almost surely, 2^40706751563 is an apocalyptic number.

40706751563 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40706751563 is a deficient number, since it is larger than the sum of its proper divisors (946668685).

40706751563 is an equidigital number, since it uses as much as digits as its factorization.

40706751563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946668684.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 40706751563 in words is "forty billion, seven hundred six million, seven hundred fifty-one thousand, five hundred sixty-three".