280481342 has 8 divisors (see below), whose sum is σ = 420930432. Its totient is φ = 140171200.

The previous prime is 280481323. The next prime is 280481371. The reversal of 280481342 is 243184082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 280481299 and 280481308.

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 3 ways as a sum of consecutive naturals, for example, 29534 + ... + 37857.

It is an arithmetic number, because the mean of its divisors is an integer number (52616304).

Almost surely, 2^280481342 is an apocalyptic number.

280481342 is a deficient number, since it is larger than the sum of its proper divisors (140449090).

280481342 is a wasteful number, since it uses less digits than its factorization.

280481342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69474.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 280481342 is about 16747.5771979113. The cubic root of 280481342 is about 654.5879287591.

The spelling of 280481342 in words is "two hundred eighty million, four hundred eighty-one thousand, three hundred forty-two".