40749967321 has 8 divisors (see below), whose sum is σ = 46828693184. Its totient is φ = 34735566960.

The previous prime is 40749967319. The next prime is 40749967361. The reversal of 40749967321 is 12376994704.

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 40749967321 - 2¹ = 40749967319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40749967361) 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, 16080015 + ... + 16082548.

It is an arithmetic number, because the mean of its divisors is an integer number (5853586648).

Almost surely, 2^40749967321 is an apocalyptic number.

It is an amenable number.

40749967321 is a deficient number, since it is larger than the sum of its proper divisors (6078725863).

40749967321 is a wasteful number, since it uses less digits than its factorization.

40749967321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32162751.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 40749967321 in words is "forty billion, seven hundred forty-nine million, nine hundred sixty-seven thousand, three hundred twenty-one".