275551231466280 has 1920 divisors, whose sum is σ = 1091481873672960. Its totient is φ = 55572559257600.

The previous prime is 275551231466249. The next prime is 275551231466317. The reversal of 275551231466280 is 82664132155572.

275551231466280 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 275551231466280.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 375922552794 + ... + 375922553526.

It is an arithmetic number, because the mean of its divisors is an integer number (568480142538).

Almost surely, 2^{275551231466280} is an apocalyptic number.

275551231466280 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 275551231466280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545740936836480).

275551231466280 is an abundant number, since it is smaller than the sum of its proper divisors (815930642206680).

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

275551231466280 is a wasteful number, since it uses less digits than its factorization.

275551231466280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 275551231466280 in words is "two hundred seventy-five trillion, five hundred fifty-one billion, two hundred thirty-one million, four hundred sixty-six thousand, two hundred eighty".