565404380 has 12 divisors (see below), whose sum is σ = 1187349240. Its totient is φ = 226161744.

The previous prime is 565404379. The next prime is 565404397. The reversal of 565404380 is 83404565.

565404380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×565404380² = 639364225846368800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 565404380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14135090 + ... + 14135129.

It is an arithmetic number, because the mean of its divisors is an integer number (98945770).

Almost surely, 2^565404380 is an apocalyptic number.

It is an amenable number.

565404380 is an abundant number, since it is smaller than the sum of its proper divisors (621944860).

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

565404380 is a wasteful number, since it uses less digits than its factorization.

565404380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28270228 (or 28270226 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 565404380 is about 23778.2333237774. The cubic root of 565404380 is about 826.9001223088.

The spelling of 565404380 in words is "five hundred sixty-five million, four hundred four thousand, three hundred eighty".