40729787969 has 8 divisors (see below), whose sum is σ = 46171419840. Its totient is φ = 35617952016.

The previous prime is 40729787941. The next prime is 40729788013. The reversal of 40729787969 is 96978792704.

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

It is a cyclic number.

It is not a de Polignac number, because 40729787969 - 2²⁴ = 40713010753 is a prime.

It is a super-2 number, since 2×40729787969² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40729787899 and 40729787908.

It is not an unprimeable number, because it can be changed into a prime (40729780969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82448717 + ... + 82449210.

It is an arithmetic number, because the mean of its divisors is an integer number (5771427480).

Almost surely, 2^40729787969 is an apocalyptic number.

It is an amenable number.

40729787969 is a deficient number, since it is larger than the sum of its proper divisors (5441631871).

40729787969 is a wasteful number, since it uses less digits than its factorization.

40729787969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164897959.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 40729787969 in words is "forty billion, seven hundred twenty-nine million, seven hundred eighty-seven thousand, nine hundred sixty-nine".