40162068321 has 16 divisors (see below), whose sum is σ = 55290521088. Its totient is φ = 25904592000.

The previous prime is 40162068313. The next prime is 40162068329. The reversal of 40162068321 is 12386026104.

It is an interprime number because it is at equal distance from previous prime (40162068313) and next prime (40162068329).

It is not a de Polignac number, because 40162068321 - 2³ = 40162068313 is a prime.

It is a super-2 number, since 2×40162068321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40162068329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339295 + ... + 442091.

It is an arithmetic number, because the mean of its divisors is an integer number (3455657568).

Almost surely, 2^40162068321 is an apocalyptic number.

It is an amenable number.

40162068321 is a deficient number, since it is larger than the sum of its proper divisors (15128452767).

40162068321 is a wasteful number, since it uses less digits than its factorization.

40162068321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107032.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 40162068321 in words is "forty billion, one hundred sixty-two million, sixty-eight thousand, three hundred twenty-one".