6181423240 has 16 divisors (see below), whose sum is σ = 13908202380. Its totient is φ = 2472569280.

The previous prime is 6181423223. The next prime is 6181423243. The reversal of 6181423240 is 423241816.

It can be written as a sum of positive squares in 2 ways, for example, as 6181418884 + 4356 = 78622^2 + 66^2 .

It is not an unprimeable number, because it can be changed into a prime (6181423243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77267751 + ... + 77267830.

Almost surely, 2^6181423240 is an apocalyptic number.

It is an amenable number.

6181423240 is an abundant number, since it is smaller than the sum of its proper divisors (7726779140).

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

6181423240 is a wasteful number, since it uses less digits than its factorization.

6181423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154535592 (or 154535588 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 6181423240 is about 78622.0277021650. The cubic root of 6181423240 is about 1835.2539192806.

The spelling of 6181423240 in words is "six billion, one hundred eighty-one million, four hundred twenty-three thousand, two hundred forty".