40575725847 has 20 divisors (see below), whose sum is σ = 60784872720. Its totient is φ = 26973834624.

The previous prime is 40575725821. The next prime is 40575725863. The reversal of 40575725847 is 74852757504.

40575725847 is a `hidden beast` number, since 4 + 0 + 5 + 7 + 57 + 2 + 584 + 7 = 666.

It is not a de Polignac number, because 40575725847 - 2⁷ = 40575725719 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40575725793 and 40575725802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40575725807) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 680947 + ... + 738132.

It is an arithmetic number, because the mean of its divisors is an integer number (3039243636).

Almost surely, 2^40575725847 is an apocalyptic number.

40575725847 is a deficient number, since it is larger than the sum of its proper divisors (20209146873).

40575725847 is a wasteful number, since it uses less digits than its factorization.

40575725847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419444 (or 1419435 counting only the distinct ones).

The product of its (nonzero) digits is 10976000, while the sum is 54.

The spelling of 40575725847 in words is "forty billion, five hundred seventy-five million, seven hundred twenty-five thousand, eight hundred forty-seven".