276471049140 has 576 divisors, whose sum is σ = 1021165996032. Its totient is φ = 59628441600.

The previous prime is 276471049133. The next prime is 276471049157. The reversal of 276471049140 is 41940174672.

276471049140 is a `hidden beast` number, since 2 + 76 + 47 + 10 + 491 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 252946434 + ... + 252947526.

It is an arithmetic number, because the mean of its divisors is an integer number (1772857632).

Almost surely, 2^276471049140 is an apocalyptic number.

276471049140 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 276471049140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510582998016).

276471049140 is an abundant number, since it is smaller than the sum of its proper divisors (744694946892).

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

276471049140 is a wasteful number, since it uses less digits than its factorization.

276471049140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 276471049140 in words is "two hundred seventy-six billion, four hundred seventy-one million, forty-nine thousand, one hundred forty".