65053553040 has 120 divisors (see below), whose sum is σ = 249681751488. Its totient is φ = 14869382400.

The previous prime is 65053553011. The next prime is 65053553057. The reversal of 65053553040 is 4035535056.

65053553040 is a `hidden beast` number, since 6 + 50 + 5 + 35 + 530 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a junction number, because it is equal to n+sod(n) for n = 65053552986 and 65053553004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6448686 + ... + 6458765.

Almost surely, 2^65053553040 is an apocalyptic number.

65053553040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65053553040 is an abundant number, since it is smaller than the sum of its proper divisors (184628198448).

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

65053553040 is a wasteful number, since it uses less digits than its factorization.

65053553040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907477 (or 12907468 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 65053553040 in words is "sixty-five billion, fifty-three million, five hundred fifty-three thousand, forty".