40789177649 has 8 divisors (see below), whose sum is σ = 44514489600. Its totient is φ = 37066733200.

The previous prime is 40789177633. The next prime is 40789177657. The reversal of 40789177649 is 94677198704.

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 40789177649 - 2⁴ = 40789177633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40789177591 and 40789177600.

It is not an unprimeable number, because it can be changed into a prime (40789177609) 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, 687074 + ... + 744075.

It is an arithmetic number, because the mean of its divisors is an integer number (5564311200).

Almost surely, 2^40789177649 is an apocalyptic number.

It is an amenable number.

40789177649 is a deficient number, since it is larger than the sum of its proper divisors (3725311951).

40789177649 is a wasteful number, since it uses less digits than its factorization.

40789177649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433751.

The product of its (nonzero) digits is 21337344, while the sum is 62.

The spelling of 40789177649 in words is "forty billion, seven hundred eighty-nine million, one hundred seventy-seven thousand, six hundred forty-nine".