280094672 has 120 divisors (see below), whose sum is σ = 664957440. Its totient is φ = 113414400.

The previous prime is 280094663. The next prime is 280094677. The reversal of 280094672 is 276490082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280094677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780029 + ... + 780387.

It is an arithmetic number, because the mean of its divisors is an integer number (5541312).

Almost surely, 2^280094672 is an apocalyptic number.

280094672 is a gapful number since it is divisible by the number (22) 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 280094672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332478720).

280094672 is an abundant number, since it is smaller than the sum of its proper divisors (384862768).

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

280094672 is a wasteful number, since it uses less digits than its factorization.

280094672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 280094672 is about 16736.0291586744. The cubic root of 280094672 is about 654.2869866792.

The spelling of 280094672 in words is "two hundred eighty million, ninety-four thousand, six hundred seventy-two".