5401641186 has 48 divisors (see below), whose sum is σ = 12015771768. Its totient is φ = 1752710400.

The previous prime is 5401641109. The next prime is 5401641187. The reversal of 5401641186 is 6811461045.

5401641186 is a `hidden beast` number, since 5 + 4 + 0 + 1 + 641 + 1 + 8 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4651922025 + 749719161 = 68205^2 + 27381^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5401641186.

It is not an unprimeable number, because it can be changed into a prime (5401641187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332280 + ... + 348156.

Almost surely, 2^5401641186 is an apocalyptic number.

5401641186 is an abundant number, since it is smaller than the sum of its proper divisors (6614130582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5401641186 is a wasteful number, since it uses less digits than its factorization.

5401641186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16387 (or 16384 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 5401641186 is about 73495.8582914711. The cubic root of 5401641186 is about 1754.5883603683.

The spelling of 5401641186 in words is "five billion, four hundred one million, six hundred forty-one thousand, one hundred eighty-six".