280050003030 has 128 divisors (see below), whose sum is σ = 816971194368. Its totient is φ = 59975718912.

The previous prime is 280050003029. The next prime is 280050003061. The reversal of 280050003030 is 30300050082.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 280050002988 and 280050003006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 620224 + ... + 971996.

It is an arithmetic number, because the mean of its divisors is an integer number (6382587456).

Almost surely, 2^280050003030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280050003030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408485597184).

280050003030 is an abundant number, since it is smaller than the sum of its proper divisors (536921191338).

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

280050003030 is a wasteful number, since it uses less digits than its factorization.

280050003030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352030.

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 280050003030 in words is "two hundred eighty billion, fifty million, three thousand, thirty".