40159426043 has 24 divisors (see below), whose sum is σ = 46867012416. Its totient is φ = 34266735360.

The previous prime is 40159426033. The next prime is 40159426091. The reversal of 40159426043 is 34062495104.

It is not a de Polignac number, because 40159426043 - 2²⁶ = 40092317179 is a prime.

It is a super-2 number, since 2×40159426043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40159425988 and 40159426006.

It is not an unprimeable number, because it can be changed into a prime (40159426003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728321 + ... + 781517.

It is an arithmetic number, because the mean of its divisors is an integer number (1952792184).

Almost surely, 2^40159426043 is an apocalyptic number.

40159426043 is a deficient number, since it is larger than the sum of its proper divisors (6707586373).

40159426043 is a wasteful number, since it uses less digits than its factorization.

40159426043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53603 (or 53592 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 40159426043 in words is "forty billion, one hundred fifty-nine million, four hundred twenty-six thousand, forty-three".