65494049456 has 60 divisors (see below), whose sum is σ = 140544593112. Its totient is φ = 29542656000.

The previous prime is 65494049443. The next prime is 65494049521.

65494049456 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124496 + ... + 382736.

Almost surely, 2^65494049456 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 65494049456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70272296556).

65494049456 is an abundant number, since it is smaller than the sum of its proper divisors (75050543656).

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

65494049456 is a wasteful number, since it uses less digits than its factorization.

65494049456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258402 (or 258385 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 65494049456 in words is "sixty-five billion, four hundred ninety-four million, forty-nine thousand, four hundred fifty-six".