280555030049 has 32 divisors (see below), whose sum is σ = 338434848000. Its totient is φ = 227475166464.

The previous prime is 280555029977. The next prime is 280555030117. The reversal of 280555030049 is 940030555082.

It is not a de Polignac number, because 280555030049 - 2⁸ = 280555029793 is a prime.

It is a super-2 number, since 2×280555030049² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 280555029988 and 280555030015.

It is not an unprimeable number, because it can be changed into a prime (280555030849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7609742 + ... + 7646520.

It is an arithmetic number, because the mean of its divisors is an integer number (10576089000).

Almost surely, 2^280555030049 is an apocalyptic number.

280555030049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

280555030049 is a deficient number, since it is larger than the sum of its proper divisors (57879817951).

280555030049 is a wasteful number, since it uses less digits than its factorization.

280555030049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37577.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 280555030049 in words is "two hundred eighty billion, five hundred fifty-five million, thirty thousand, forty-nine".