65011440276 has 54 divisors (see below), whose sum is σ = 167059185566. Its totient is φ = 21311308800.

The previous prime is 65011440253. The next prime is 65011440301. The reversal of 65011440276 is 67204411056.

65011440276 is a `hidden beast` number, since 6 + 501 + 144 + 0 + 2 + 7 + 6 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6703679376 + 58307760900 = 81876^2 + 241470^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 65011440276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11945716 + ... + 11951156.

Almost surely, 2^65011440276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65011440276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83529592783).

65011440276 is an abundant number, since it is smaller than the sum of its proper divisors (102047745290).

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

65011440276 is an equidigital number, since it uses as much as digits as its factorization.

65011440276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 65011440276 in words is "sixty-five billion, eleven million, four hundred forty thousand, two hundred seventy-six".