40213693081 has 8 divisors (see below), whose sum is σ = 40319324928. Its totient is φ = 40108110000.

The previous prime is 40213693063. The next prime is 40213693139. The reversal of 40213693081 is 18039631204.

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 40213693081 - 2²³ = 40205304473 is a prime.

It is a super-2 number, since 2×40213693081² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40213693081.

It is not an unprimeable number, because it can be changed into a prime (40213699081) 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 7 ways as a sum of consecutive naturals, for example, 2117016 + ... + 2135926.

It is an arithmetic number, because the mean of its divisors is an integer number (5039915616).

Almost surely, 2^40213693081 is an apocalyptic number.

It is an amenable number.

40213693081 is a deficient number, since it is larger than the sum of its proper divisors (105631847).

40213693081 is a wasteful number, since it uses less digits than its factorization.

40213693081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24383.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 40213693081 in words is "forty billion, two hundred thirteen million, six hundred ninety-three thousand, eighty-one".