280139567412 has 24 divisors (see below), whose sum is σ = 656590203136. Its totient is φ = 92961111168.

The previous prime is 280139567381. The next prime is 280139567429. The reversal of 280139567412 is 214765931082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52340293 + ... + 52345644.

It is a 2-persistent number, because it is pandigital, and so is 2⋅280139567412 = 560279134824, but 3⋅280139567412 = 840418702236 is not.

Almost surely, 2^280139567412 is an apocalyptic number.

It is an amenable number.

280139567412 is an abundant number, since it is smaller than the sum of its proper divisors (376450635724).

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

280139567412 is a wasteful number, since it uses less digits than its factorization.

280139567412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104686167 (or 104686165 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 280139567412 in words is "two hundred eighty billion, one hundred thirty-nine million, five hundred sixty-seven thousand, four hundred twelve".