27426515080 has 16 divisors (see below), whose sum is σ = 61709659020. Its totient is φ = 10970606016.

The previous prime is 27426515059. The next prime is 27426515147. The reversal of 27426515080 is 8051562472.

It can be written as a sum of positive squares in 2 ways, for example, as 26483656644 + 942858436 = 162738^2 + 30706^2 .

It is a super-4 number, since 4×27426515080⁴ (a number of 43 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 685662877 = 27426515080 / (2 + 7 + 4 + 2 + 6 + 5 + 1 + 5 + 0 + 8 + 0).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 342831399 + ... + 342831478.

Almost surely, 2^27426515080 is an apocalyptic number.

27426515080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27426515080 is an abundant number, since it is smaller than the sum of its proper divisors (34283143940).

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

27426515080 is a wasteful number, since it uses less digits than its factorization.

27426515080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685662888 (or 685662884 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 27426515080 in words is "twenty-seven billion, four hundred twenty-six million, five hundred fifteen thousand, eighty".