280069048 has 16 divisors (see below), whose sum is σ = 600148080. Its totient is φ = 120029568.

The previous prime is 280069007. The next prime is 280069079. The reversal of 280069048 is 840960082.

It is a junction number, because it is equal to n+sod(n) for n = 280068998 and 280069016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500561 + ... + 2500672.

It is an arithmetic number, because the mean of its divisors is an integer number (37509255).

Almost surely, 2^280069048 is an apocalyptic number.

280069048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

280069048 is an abundant number, since it is smaller than the sum of its proper divisors (320079032).

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

280069048 is a wasteful number, since it uses less digits than its factorization.

280069048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001246 (or 5001242 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 280069048 is about 16735.2636071261. The cubic root of 280069048 is about 654.2670339480.

The spelling of 280069048 in words is "two hundred eighty million, sixty-nine thousand, forty-eight".