8555140401 has 64 divisors (see below), whose sum is σ = 12856983552. Its totient is φ = 5034240000.

The previous prime is 8555140387. The next prime is 8555140417. The reversal of 8555140401 is 1040415558.

It is not a de Polignac number, because 8555140401 - 2⁶ = 8555140337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8555140471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12380466 + ... + 12381156.

It is an arithmetic number, because the mean of its divisors is an integer number (200890368).

Almost surely, 2^8555140401 is an apocalyptic number.

It is an amenable number.

8555140401 is a deficient number, since it is larger than the sum of its proper divisors (4301843151).

8555140401 is a wasteful number, since it uses less digits than its factorization.

8555140401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 8555140401 is about 92494.0019731009. The cubic root of 8555140401 is about 2045.2310641723.

Adding to 8555140401 its reverse (1040415558), we get a palindrome (9595555959).

The spelling of 8555140401 in words is "eight billion, five hundred fifty-five million, one hundred forty thousand, four hundred one".