4188040426 has 16 divisors (see below), whose sum is σ = 6361242120. Its totient is φ = 2067690240.

The previous prime is 4188040379. The next prime is 4188040429. The reversal of 4188040426 is 6240408814.

It can be written as a sum of positive squares in 4 ways, for example, as 2840783401 + 1347257025 = 53299^2 + 36705^2 .

It is a super-2 number, since 2×4188040426² = 35079365219620522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4188040429) 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 7 ways as a sum of consecutive naturals, for example, 119206 + ... + 150286.

Almost surely, 2^4188040426 is an apocalyptic number.

4188040426 is a deficient number, since it is larger than the sum of its proper divisors (2173201694).

4188040426 is a wasteful number, since it uses less digits than its factorization.

4188040426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31929.

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 4188040426 is about 64715.0710885803. The cubic root of 4188040426 is about 1611.8957679713.

The spelling of 4188040426 in words is "four billion, one hundred eighty-eight million, forty thousand, four hundred twenty-six".