27400723446146 has 32 divisors (see below), whose sum is σ = 43983568019952. Its totient is φ = 12756944793600.

The previous prime is 27400723446091. The next prime is 27400723446169. The reversal of 27400723446146 is 64164432700472.

It can be written as a sum of positive squares in 8 ways, for example, as 27375445944025 + 25277502121 = 5232155^2 + 158989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27400723446094 and 27400723446103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377860 + ... + 7529936.

Almost surely, 2^{27400723446146} is an apocalyptic number.

27400723446146 is a deficient number, since it is larger than the sum of its proper divisors (16582844573806).

27400723446146 is a wasteful number, since it uses less digits than its factorization.

27400723446146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153494.

The product of its (nonzero) digits is 5419008, while the sum is 50.

The spelling of 27400723446146 in words is "twenty-seven trillion, four hundred billion, seven hundred twenty-three million, four hundred forty-six thousand, one hundred forty-six".