65455883840 has 56 divisors (see below), whose sum is σ = 158508679680. Its totient is φ = 25738577408.

The previous prime is 65455883833. The next prime is 65455883863. The reversal of 65455883840 is 4838855456.

65455883840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714592 + ... + 1752351.

Almost surely, 2^65455883840 is an apocalyptic number.

It is an amenable number.

65455883840 is an abundant number, since it is smaller than the sum of its proper divisors (93052795840).

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

65455883840 is a wasteful number, since it uses less digits than its factorization.

65455883840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467019 (or 3467009 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 65455883840 in words is "sixty-five billion, four hundred fifty-five million, eight hundred eighty-three thousand, eight hundred forty".