40109426893 has 8 divisors (see below), whose sum is σ = 40556966912. Its totient is φ = 39663945216.

The previous prime is 40109426869. The next prime is 40109426909. The reversal of 40109426893 is 39862490104.

40109426893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40109426893 is a prime.

It is a super-2 number, since 2×40109426893² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40109426293) 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, 475380 + ... + 553357.

It is an arithmetic number, because the mean of its divisors is an integer number (5069620864).

Almost surely, 2^40109426893 is an apocalyptic number.

It is an amenable number.

40109426893 is a deficient number, since it is larger than the sum of its proper divisors (447540019).

40109426893 is a wasteful number, since it uses less digits than its factorization.

40109426893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029171.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 40109426893 in words is "forty billion, one hundred nine million, four hundred twenty-six thousand, eight hundred ninety-three".