40109505827 has 16 divisors (see below), whose sum is σ = 41363920512. Its totient is φ = 38872458240.

The previous prime is 40109505773. The next prime is 40109505829. The reversal of 40109505827 is 72850590104.

It is a cyclic number.

It is not a de Polignac number, because 40109505827 - 2¹⁴ = 40109489443 is a prime.

It is a super-2 number, since 2×40109505827² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40109505829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7012973 + ... + 7018689.

It is an arithmetic number, because the mean of its divisors is an integer number (2585245032).

Almost surely, 2^40109505827 is an apocalyptic number.

40109505827 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40109505827 is a deficient number, since it is larger than the sum of its proper divisors (1254414685).

40109505827 is a wasteful number, since it uses less digits than its factorization.

40109505827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 40109505827 in words is "forty billion, one hundred nine million, five hundred five thousand, eight hundred twenty-seven".