65254464 has 112 divisors (see below), whose sum is σ = 209336640. Its totient is φ = 19768320.

The previous prime is 65254459. The next prime is 65254487. The reversal of 65254464 is 46445256.

65254464 is a `hidden beast` number, since 6 + 52 + 544 + 64 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17292 + ... + 20724.

Almost surely, 2^65254464 is an apocalyptic number.

65254464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65254464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104668320).

65254464 is an abundant number, since it is smaller than the sum of its proper divisors (144082176).

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

65254464 is a wasteful number, since it uses less digits than its factorization.

65254464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3449 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 65254464 is about 8078.0235206392. The cubic root of 65254464 is about 402.5965746942.

The spelling of 65254464 in words is "sixty-five million, two hundred fifty-four thousand, four hundred sixty-four".