40430286681 has 8 divisors (see below), whose sum is σ = 53920451424. Its totient is φ = 26946823200.

The previous prime is 40430286629. The next prime is 40430286709. The reversal of 40430286681 is 18668203404.

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

It is not a de Polignac number, because 40430286681 - 2³¹ = 38282803033 is a prime.

It is a super-2 number, since 2×40430286681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40430288681) 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, 1661220 + ... + 1685381.

It is an arithmetic number, because the mean of its divisors is an integer number (6740056428).

Almost surely, 2^40430286681 is an apocalyptic number.

It is an amenable number.

40430286681 is a deficient number, since it is larger than the sum of its proper divisors (13490164743).

40430286681 is a wasteful number, since it uses less digits than its factorization.

40430286681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350631.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 40430286681 in words is "forty billion, four hundred thirty million, two hundred eighty-six thousand, six hundred eighty-one".