8540185954 has 32 divisors (see below), whose sum is σ = 13186768896. Its totient is φ = 4146809040.

The previous prime is 8540185933. The next prime is 8540185957. The reversal of 8540185954 is 4595810458.

It is a super-2 number, since 2×8540185954² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8540185898 and 8540185907.

It is not an unprimeable number, because it can be changed into a prime (8540185957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196039 + ... + 3198709.

It is an arithmetic number, because the mean of its divisors is an integer number (412086528).

Almost surely, 2^8540185954 is an apocalyptic number.

8540185954 is a deficient number, since it is larger than the sum of its proper divisors (4646582942).

8540185954 is a wasteful number, since it uses less digits than its factorization.

8540185954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070.

The product of its (nonzero) digits is 1152000, while the sum is 49.

The square root of 8540185954 is about 92413.1265243201. The cubic root of 8540185954 is about 2044.0386762608.

The spelling of 8540185954 in words is "eight billion, five hundred forty million, one hundred eighty-five thousand, nine hundred fifty-four".