65400358836 has 12 divisors (see below), whose sum is σ = 152600837312. Its totient is φ = 21800119608.

The previous prime is 65400358787. The next prime is 65400358841. The reversal of 65400358836 is 63885300456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2725014940 + ... + 2725014963.

Almost surely, 2^65400358836 is an apocalyptic number.

It is an amenable number.

65400358836 is an abundant number, since it is smaller than the sum of its proper divisors (87200478476).

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

65400358836 is a wasteful number, since it uses less digits than its factorization.

65400358836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450029910 (or 5450029908 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 65400358836 in words is "sixty-five billion, four hundred million, three hundred fifty-eight thousand, eight hundred thirty-six".