27401501064 has 32 divisors (see below), whose sum is σ = 78290003520. Its totient is φ = 7829000256.

The previous prime is 27401501041. The next prime is 27401501069. The reversal of 27401501064 is 46010510472.

It is not an unprimeable number, because it can be changed into a prime (27401501069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81551919 + ... + 81552254.

It is an arithmetic number, because the mean of its divisors is an integer number (2446562610).

Almost surely, 2^27401501064 is an apocalyptic number.

27401501064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27401501064 is an abundant number, since it is smaller than the sum of its proper divisors (50888502456).

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

27401501064 is a wasteful number, since it uses less digits than its factorization.

27401501064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163104189 (or 163104185 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 27401501064 in words is "twenty-seven billion, four hundred one million, five hundred one thousand, sixty-four".