40140782845 has 8 divisors (see below), whose sum is σ = 48251002464. Its totient is φ = 32057917584.

The previous prime is 40140782831. The next prime is 40140782879. The reversal of 40140782845 is 54828704104.

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 40140782845 - 2¹⁷ = 40140651773 is a prime.

It is a super-2 number, since 2×40140782845² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6835359 + ... + 6841228.

It is an arithmetic number, because the mean of its divisors is an integer number (6031375308).

Almost surely, 2^40140782845 is an apocalyptic number.

It is an amenable number.

40140782845 is a deficient number, since it is larger than the sum of its proper divisors (8110219619).

40140782845 is a wasteful number, since it uses less digits than its factorization.

40140782845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677179.

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 40140782845 in words is "forty billion, one hundred forty million, seven hundred eighty-two thousand, eight hundred forty-five".