280531605532 has 12 divisors (see below), whose sum is σ = 491024268280. Its totient is φ = 140238957456.

The previous prime is 280531605527. The next prime is 280531605539. The reversal of 280531605532 is 235506135082.

280531605532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280531605539) 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, 6687807 + ... + 6729622.

Almost surely, 2^280531605532 is an apocalyptic number.

It is an amenable number.

280531605532 is a deficient number, since it is larger than the sum of its proper divisors (210492662748).

280531605532 is a wasteful number, since it uses less digits than its factorization.

280531605532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13422660 (or 13422658 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 280531605532 in words is "two hundred eighty billion, five hundred thirty-one million, six hundred five thousand, five hundred thirty-two".