27466382820 has 48 divisors (see below), whose sum is σ = 77212312128. Its totient is φ = 7295184000.

The previous prime is 27466382813. The next prime is 27466382861. The reversal of 27466382820 is 2828366472.

It is a self number, because there is not a number n which added to its sum of digits gives 27466382820.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896839 + ... + 926958.

It is an arithmetic number, because the mean of its divisors is an integer number (1608589836).

Almost surely, 2^27466382820 is an apocalyptic number.

27466382820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27466382820 is an abundant number, since it is smaller than the sum of its proper divisors (49745929308).

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

27466382820 is a wasteful number, since it uses less digits than its factorization.

27466382820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824060 (or 1824058 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 27466382820 in words is "twenty-seven billion, four hundred sixty-six million, three hundred eighty-two thousand, eight hundred twenty".