280921201088 has 56 divisors (see below), whose sum is σ = 609788146944. Its totient is φ = 127343404800.

The previous prime is 280921201039. The next prime is 280921201097. The reversal of 280921201088 is 880102129082.

It is a super-3 number, since 3×280921201088³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285278 + ... + 802013.

Almost surely, 2^280921201088 is an apocalyptic number.

It is an amenable number.

280921201088 is an abundant number, since it is smaller than the sum of its proper divisors (328866945856).

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

280921201088 is a wasteful number, since it uses less digits than its factorization.

280921201088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087681 (or 1087671 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 280921201088 in words is "two hundred eighty billion, nine hundred twenty-one million, two hundred one thousand, eighty-eight".