275407380612 has 1152 divisors, whose sum is σ = 984137011200. Its totient is φ = 65840947200.

The previous prime is 275407380559. The next prime is 275407380613. The reversal of 275407380612 is 216083704572.

275407380612 is a `hidden beast` number, since 27 + 5 + 4 + 0 + 7 + 3 + 8 + 0 + 612 = 666.

It is not an unprimeable number, because it can be changed into a prime (275407380613) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3772703808 + ... + 3772703880.

It is an arithmetic number, because the mean of its divisors is an integer number (854285600).

Almost surely, 2^275407380612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275407380612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492068505600).

275407380612 is an abundant number, since it is smaller than the sum of its proper divisors (708729630588).

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

275407380612 is a wasteful number, since it uses less digits than its factorization.

275407380612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 275407380612 in words is "two hundred seventy-five billion, four hundred seven million, three hundred eighty thousand, six hundred twelve".