276112540 has 48 divisors (see below), whose sum is σ = 637235424. Its totient is φ = 99660800.

The previous prime is 276112523. The next prime is 276112553. The reversal of 276112540 is 45211672.

It is a junction number, because it is equal to n+sod(n) for n = 276112499 and 276112508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25560 + ... + 34720.

It is an arithmetic number, because the mean of its divisors is an integer number (13275738).

Almost surely, 2^276112540 is an apocalyptic number.

276112540 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 276112540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318617712).

276112540 is an abundant number, since it is smaller than the sum of its proper divisors (361122884).

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

276112540 is a wasteful number, since it uses less digits than its factorization.

276112540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318 (or 9316 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 276112540 is about 16616.6344366120. The cubic root of 276112540 is about 651.1714889459.

The spelling of 276112540 in words is "two hundred seventy-six million, one hundred twelve thousand, five hundred forty".