279488152452 has 96 divisors (see below), whose sum is σ = 693011894400. Its totient is φ = 87364206592.

The previous prime is 279488152441. The next prime is 279488152453. The reversal of 279488152452 is 254251884972.

It is a super-2 number, since 2×279488152452² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 279488152392 and 279488152401.

It is not an unprimeable number, because it can be changed into a prime (279488152453) 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, 83953924 + ... + 83957252.

It is an arithmetic number, because the mean of its divisors is an integer number (7218873900).

Almost surely, 2^279488152452 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 279488152452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346505947200).

279488152452 is an abundant number, since it is smaller than the sum of its proper divisors (413523741948).

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

279488152452 is a wasteful number, since it uses less digits than its factorization.

279488152452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725 (or 4723 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 279488152452 in words is "two hundred seventy-nine billion, four hundred eighty-eight million, one hundred fifty-two thousand, four hundred fifty-two".