65407140486 has 24 divisors (see below), whose sum is σ = 142021570080. Its totient is φ = 21755288016.

The previous prime is 65407140419. The next prime is 65407140503. The reversal of 65407140486 is 68404170456.

65407140486 is a `hidden beast` number, since 65 + 4 + 0 + 71 + 40 + 486 = 666.

It is a super-3 number, since 3×65407140486³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3915781 + ... + 3932448.

It is an arithmetic number, because the mean of its divisors is an integer number (5917565420).

Almost surely, 2^65407140486 is an apocalyptic number.

65407140486 is an abundant number, since it is smaller than the sum of its proper divisors (76614429594).

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

65407140486 is a wasteful number, since it uses less digits than its factorization.

65407140486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7848700 (or 7848697 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 65407140486 in words is "sixty-five billion, four hundred seven million, one hundred forty thousand, four hundred eighty-six".