64486510404 has 12 divisors (see below), whose sum is σ = 150468524304. Its totient is φ = 21495503464.

The previous prime is 64486510381. The next prime is 64486510409. The reversal of 64486510404 is 40401568446.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (64486510409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686937922 + ... + 2686937945.

It is an arithmetic number, because the mean of its divisors is an integer number (12539043692).

Almost surely, 2^64486510404 is an apocalyptic number.

It is an amenable number.

64486510404 is an abundant number, since it is smaller than the sum of its proper divisors (85982013900).

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

64486510404 is a wasteful number, since it uses less digits than its factorization.

64486510404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373875874 (or 5373875872 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 64486510404 in words is "sixty-four billion, four hundred eighty-six million, five hundred ten thousand, four hundred four".