40105506337787 has 8 divisors (see below), whose sum is σ = 44160353623872. Its totient is φ = 36118807745800.

The previous prime is 40105506337781. The next prime is 40105506337801. The reversal of 40105506337787 is 78773360550104.

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 40105506337787 - 2⁸ = 40105506337531 is a prime.

It is a super-2 number, since 2×40105506337787² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40105506337781) 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, 17037172289 + ... + 17037174642.

It is an arithmetic number, because the mean of its divisors is an integer number (5520044202984).

Almost surely, 2^{40105506337787} is an apocalyptic number.

40105506337787 is a deficient number, since it is larger than the sum of its proper divisors (4054847286085).

40105506337787 is a wasteful number, since it uses less digits than its factorization.

40105506337787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34074347049.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 40105506337787 in words is "forty trillion, one hundred five billion, five hundred six million, three hundred thirty-seven thousand, seven hundred eighty-seven".