280425452790 has 256 divisors, whose sum is σ = 835552972800. Its totient is φ = 58765393920.

The previous prime is 280425452689. The next prime is 280425452803. The reversal of 280425452790 is 97254524082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 143880736 + ... + 143882684.

It is an arithmetic number, because the mean of its divisors is an integer number (3263878800).

Almost surely, 2^280425452790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280425452790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417776486400).

280425452790 is an abundant number, since it is smaller than the sum of its proper divisors (555127520010).

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

280425452790 is a wasteful number, since it uses less digits than its factorization.

280425452790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 280425452790 in words is "two hundred eighty billion, four hundred twenty-five million, four hundred fifty-two thousand, seven hundred ninety".