280550030 has 8 divisors (see below), whose sum is σ = 504990072. Its totient is φ = 112220008.

The previous prime is 280550009. The next prime is 280550033. The reversal of 280550030 is 30055082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 280549978 and 280550005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280550033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14027492 + ... + 14027511.

It is an arithmetic number, because the mean of its divisors is an integer number (63123759).

Almost surely, 2^280550030 is an apocalyptic number.

280550030 is a deficient number, since it is larger than the sum of its proper divisors (224440042).

280550030 is a wasteful number, since it uses less digits than its factorization.

280550030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055010.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 280550030 is about 16749.6277570578. The cubic root of 280550030 is about 654.6413591293.

The spelling of 280550030 in words is "two hundred eighty million, five hundred fifty thousand, thirty".