276143944036 has 9 divisors (see below), whose sum is σ = 483253741299. Its totient is φ = 138071446524.

The previous prime is 276143944031. The next prime is 276143944057. The reversal of 276143944036 is 630449341672.

The square root of 276143944036 is 525494.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276143944031) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 919615 + ... + 1182361.

Almost surely, 2^276143944036 is an apocalyptic number.

276143944036 is the 525494-th square number.

It is an amenable number.

276143944036 is a deficient number, since it is larger than the sum of its proper divisors (207109797263).

276143944036 is an frugal number, since it uses more digits than its factorization.

276143944036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525498 (or 262749 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

Multiplying 276143944036 by its sum of digits (49), we get a square (13531053257764 = 3678458²).

The spelling of 276143944036 in words is "two hundred seventy-six billion, one hundred forty-three million, nine hundred forty-four thousand, thirty-six".