40754213665 has 8 divisors (see below), whose sum is σ = 53350970688. Its totient is φ = 29639428080.

The previous prime is 40754213653. The next prime is 40754213681. The reversal of 40754213665 is 56631245704.

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

It is not a de Polignac number, because 40754213665 - 2⁷ = 40754213537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 370492797 + ... + 370492906.

It is an arithmetic number, because the mean of its divisors is an integer number (6668871336).

Almost surely, 2^40754213665 is an apocalyptic number.

It is an amenable number.

40754213665 is a deficient number, since it is larger than the sum of its proper divisors (12596757023).

40754213665 is a wasteful number, since it uses less digits than its factorization.

40754213665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740985719.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 40754213665 in words is "forty billion, seven hundred fifty-four million, two hundred thirteen thousand, six hundred sixty-five".