276225400 has 192 divisors, whose sum is σ = 752094720. Its totient is φ = 93350400.

The previous prime is 276225379. The next prime is 276225431. The reversal of 276225400 is 4522672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2681749 + ... + 2681851.

It is an arithmetic number, because the mean of its divisors is an integer number (3917160).

Almost surely, 2^276225400 is an apocalyptic number.

276225400 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 276225400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376047360).

276225400 is an abundant number, since it is smaller than the sum of its proper divisors (475869320).

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

276225400 is a wasteful number, since it uses less digits than its factorization.

276225400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 276225400 is about 16620.0300842086. The cubic root of 276225400 is about 651.2601981891.

The spelling of 276225400 in words is "two hundred seventy-six million, two hundred twenty-five thousand, four hundred".