280952043012 has 18 divisors (see below), whose sum is σ = 710184331038. Its totient is φ = 93650680992.

The previous prime is 280952042957. The next prime is 280952043023. The reversal of 280952043012 is 210340259082.

It is a happy number.

280952043012 is a `hidden beast` number, since 2 + 80 + 9 + 520 + 43 + 0 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 238657652676 + 42294390336 = 488526^2 + 205656^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7804223417 = 280952043012 / (2 + 8 + 0 + 9 + 5 + 2 + 0 + 4 + 3 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3902111673 + ... + 3902111744.

Almost surely, 2^280952043012 is an apocalyptic number.

It is an amenable number.

280952043012 is an abundant number, since it is smaller than the sum of its proper divisors (429232288026).

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

280952043012 is a wasteful number, since it uses less digits than its factorization.

280952043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804223427 (or 7804223422 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 280952043012 in words is "two hundred eighty billion, nine hundred fifty-two million, forty-three thousand, twelve".