456565456 has 20 divisors (see below), whose sum is σ = 923056992. Its totient is φ = 218357216.

The previous prime is 456565453. The next prime is 456565457. The reversal of 456565456 is 654565654.

456565456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×456565456² = 416904031224975872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456565453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619966 + ... + 620701.

Almost surely, 2^456565456 is an apocalyptic number.

456565456 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

456565456 is an abundant number, since it is smaller than the sum of its proper divisors (466491536).

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

456565456 is a wasteful number, since it uses less digits than its factorization.

456565456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240698 (or 1240692 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 46.

The square root of 456565456 is about 21367.3923537712. The cubic root of 456565456 is about 770.0182466020.

The spelling of 456565456 in words is "four hundred fifty-six million, five hundred sixty-five thousand, four hundred fifty-six".