65226880 has 32 divisors (see below), whose sum is σ = 155934540. Its totient is φ = 26090496.

The previous prime is 65226869. The next prime is 65226881. The reversal of 65226880 is 8862256.

It can be written as a sum of positive squares in 2 ways, for example, as 65157184 + 69696 = 8072^2 + 264^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (65226881) 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, 50319 + ... + 51598.

Almost surely, 2^65226880 is an apocalyptic number.

It is an amenable number.

65226880 is an abundant number, since it is smaller than the sum of its proper divisors (90707660).

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

65226880 is a wasteful number, since it uses less digits than its factorization.

65226880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101936 (or 101924 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 65226880 is about 8076.3159918369. The cubic root of 65226880 is about 402.5398389125.

The spelling of 65226880 in words is "sixty-five million, two hundred twenty-six thousand, eight hundred eighty".