40723830521 has 8 divisors (see below), whose sum is σ = 46357562304. Its totient is φ = 35412026320.

The previous prime is 40723830517. The next prime is 40723830571. The reversal of 40723830521 is 12503832704.

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

It is not a de Polignac number, because 40723830521 - 2² = 40723830517 is a prime.

It is a super-2 number, since 2×40723830521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40723830571) 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, 80481626 + ... + 80482131.

It is an arithmetic number, because the mean of its divisors is an integer number (5794695288).

Almost surely, 2^40723830521 is an apocalyptic number.

It is an amenable number.

40723830521 is a deficient number, since it is larger than the sum of its proper divisors (5633731783).

40723830521 is a wasteful number, since it uses less digits than its factorization.

40723830521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160963791.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 40723830521 in words is "forty billion, seven hundred twenty-three million, eight hundred thirty thousand, five hundred twenty-one".