27438386810 has 32 divisors (see below), whose sum is σ = 49527700992. Its totient is φ = 10944599040.

The previous prime is 27438386791. The next prime is 27438386831. The reversal of 27438386810 is 1868383472.

It is a super-2 number, since 2×27438386810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7100939 + ... + 7104801.

It is an arithmetic number, because the mean of its divisors is an integer number (1547740656).

Almost surely, 2^27438386810 is an apocalyptic number.

27438386810 is a deficient number, since it is larger than the sum of its proper divisors (22089314182).

27438386810 is a wasteful number, since it uses less digits than its factorization.

27438386810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 27438386810 in words is "twenty-seven billion, four hundred thirty-eight million, three hundred eighty-six thousand, eight hundred ten".