64486018242 has 40 divisors (see below), whose sum is σ = 144511589376. Its totient is φ = 21493087128.

The previous prime is 64486018187. The next prime is 64486018243. The reversal of 64486018242 is 24281068446.

It is not an unprimeable number, because it can be changed into a prime (64486018243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2381383 + ... + 2408309.

Almost surely, 2^64486018242 is an apocalyptic number.

64486018242 is an abundant number, since it is smaller than the sum of its proper divisors (80025571134).

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

64486018242 is a wasteful number, since it uses less digits than its factorization.

64486018242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41724 (or 41715 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 64486018242 in words is "sixty-four billion, four hundred eighty-six million, eighteen thousand, two hundred forty-two".