27460280380 has 192 divisors, whose sum is σ = 66409943040. Its totient is φ = 9463136256.

The previous prime is 27460280369. The next prime is 27460280381. The reversal of 27460280380 is 8308206472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27460280381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71697669 + ... + 71698051.

It is an arithmetic number, because the mean of its divisors is an integer number (345885120).

Almost surely, 2^27460280380 is an apocalyptic number.

27460280380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27460280380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33204971520).

27460280380 is an abundant number, since it is smaller than the sum of its proper divisors (38949662660).

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

27460280380 is a wasteful number, since it uses less digits than its factorization.

27460280380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 27460280380 in words is "twenty-seven billion, four hundred sixty million, two hundred eighty thousand, three hundred eighty".