280008880942 has 12 divisors (see below), whose sum is σ = 488586925080. Its totient is φ = 120003806076.

The previous prime is 280008880891. The next prime is 280008880951. The reversal of 280008880942 is 249088800082.

It is a super-2 number, since 2×280008880942² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428616642 + ... + 1428616837.

It is an arithmetic number, because the mean of its divisors is an integer number (40715577090).

Almost surely, 2^280008880942 is an apocalyptic number.

280008880942 is a deficient number, since it is larger than the sum of its proper divisors (208578044138).

280008880942 is a wasteful number, since it uses less digits than its factorization.

280008880942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857233495 (or 2857233488 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 280008880942 in words is "two hundred eighty billion, eight million, eight hundred eighty thousand, nine hundred forty-two".