27420276546 has 64 divisors (see below), whose sum is σ = 65753520000. Its totient is φ = 8419992768.

The previous prime is 27420276529. The next prime is 27420276589. The reversal of 27420276546 is 64567202472.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311160 + ... + 389436.

It is an arithmetic number, because the mean of its divisors is an integer number (1027398750).

Almost surely, 2^27420276546 is an apocalyptic number.

27420276546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 27420276546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32876760000).

27420276546 is an abundant number, since it is smaller than the sum of its proper divisors (38333243454).

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

27420276546 is a wasteful number, since it uses less digits than its factorization.

27420276546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78800 (or 78794 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 27420276546 in words is "twenty-seven billion, four hundred twenty million, two hundred seventy-six thousand, five hundred forty-six".