275025002780 has 48 divisors (see below), whose sum is σ = 667119481056. Its totient is φ = 94126202880.

The previous prime is 275025002753. The next prime is 275025002789. The reversal of 275025002780 is 87200520572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275025002789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36764309 + ... + 36771788.

It is an arithmetic number, because the mean of its divisors is an integer number (13898322522).

Almost surely, 2^275025002780 is an apocalyptic number.

275025002780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275025002780 is an abundant number, since it is smaller than the sum of its proper divisors (392094478276).

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

275025002780 is a wasteful number, since it uses less digits than its factorization.

275025002780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73536134 (or 73536132 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 275025002780 in words is "two hundred seventy-five billion, twenty-five million, two thousand, seven hundred eighty".