64014318378 has 48 divisors (see below), whose sum is σ = 143643891456. Its totient is φ = 20589942240.

The previous prime is 64014318367. The next prime is 64014318413. The reversal of 64014318378 is 87381341046.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472801 + ... + 592932.

It is an arithmetic number, because the mean of its divisors is an integer number (2992581072).

Almost surely, 2^64014318378 is an apocalyptic number.

64014318378 is an abundant number, since it is smaller than the sum of its proper divisors (79629573078).

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

64014318378 is a wasteful number, since it uses less digits than its factorization.

64014318378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065859 (or 1065856 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 64014318378 in words is "sixty-four billion, fourteen million, three hundred eighteen thousand, three hundred seventy-eight".