280052604 has 108 divisors (see below), whose sum is σ = 773764992. Its totient is φ = 85363200.

The previous prime is 280052599. The next prime is 280052621. The reversal of 280052604 is 406250082.

280052604 is a `hidden beast` number, since 2 + 8 + 0 + 0 + 52 + 604 = 666.

It is a super-2 number, since 2×280052604² = 156858922014361632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1161924 + ... + 1162164.

Almost surely, 2^280052604 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 280052604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386882496).

280052604 is an abundant number, since it is smaller than the sum of its proper divisors (493712388).

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

280052604 is a wasteful number, since it uses less digits than its factorization.

280052604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 280052604 is about 16734.7723020064. The cubic root of 280052604 is about 654.2542287990.

It can be divided in two parts, 28005260 and 4, that added together give a square (28005264 = 5292²).

The spelling of 280052604 in words is "two hundred eighty million, fifty-two thousand, six hundred four".