27641642046 has 8 divisors (see below), whose sum is σ = 55283284104. Its totient is φ = 9213880680.

The previous prime is 27641641967. The next prime is 27641642069. The reversal of 27641642046 is 64024614672.

It is a sphenic number, since it is the product of 3 distinct primes.

27641642046 is an admirable number.

It is a super-2 number, since 2×27641642046² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27641641989 and 27641642007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2303470165 + ... + 2303470176.

It is an arithmetic number, because the mean of its divisors is an integer number (6910410513).

Almost surely, 2^27641642046 is an apocalyptic number.

27641642046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27641642046 is a wasteful number, since it uses less digits than its factorization.

27641642046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606940346.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 27641642046 in words is "twenty-seven billion, six hundred forty-one million, six hundred forty-two thousand, forty-six".