65456430 has 64 divisors (see below), whose sum is σ = 172827648. Its totient is φ = 15765120.

The previous prime is 65456423. The next prime is 65456467. The reversal of 65456430 is 3465456.

It is a junction number, because it is equal to n+sod(n) for n = 65456391 and 65456400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16545 + ... + 20115.

It is an arithmetic number, because the mean of its divisors is an integer number (2700432).

Almost surely, 2^65456430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65456430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86413824).

65456430 is an abundant number, since it is smaller than the sum of its proper divisors (107371218).

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

65456430 is a wasteful number, since it uses less digits than its factorization.

65456430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 65456430 is about 8090.5148167468. The cubic root of 65456430 is about 403.0114994451.

The spelling of 65456430 in words is "sixty-five million, four hundred fifty-six thousand, four hundred thirty".