40175742447 has 16 divisors (see below), whose sum is σ = 59818720000. Its totient is φ = 26649232632.

The previous prime is 40175742377. The next prime is 40175742491. The reversal of 40175742447 is 74424757104.

40175742447 is a `hidden beast` number, since 4 + 0 + 17 + 574 + 24 + 47 = 666.

It is not a de Polignac number, because 40175742447 - 2⁷ = 40175742319 is a prime.

It is a super-2 number, since 2×40175742447² (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 (40175742547) 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, 3733297 + ... + 3744042.

It is an arithmetic number, because the mean of its divisors is an integer number (3738670000).

Almost surely, 2^40175742447 is an apocalyptic number.

40175742447 is a deficient number, since it is larger than the sum of its proper divisors (19642977553).

40175742447 is a wasteful number, since it uses less digits than its factorization.

40175742447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477547 (or 7477541 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 45.

The spelling of 40175742447 in words is "forty billion, one hundred seventy-five million, seven hundred forty-two thousand, four hundred forty-seven".