279049361344 has 112 divisors (see below), whose sum is σ = 637440310080. Its totient is φ = 120187330560.

The previous prime is 279049361281. The next prime is 279049361351. The reversal of 279049361344 is 443163940972.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 279049361291 and 279049361300.

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 15 ways as a sum of consecutive naturals, for example, 606742 + ... + 962410.

It is an arithmetic number, because the mean of its divisors is an integer number (5691431340).

Almost surely, 2^279049361344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 279049361344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318720155040).

279049361344 is an abundant number, since it is smaller than the sum of its proper divisors (358390948736).

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

279049361344 is a wasteful number, since it uses less digits than its factorization.

279049361344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355758 (or 355748 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 279049361344 in words is "two hundred seventy-nine billion, forty-nine million, three hundred sixty-one thousand, three hundred forty-four".