378266064 has 40 divisors (see below), whose sum is σ = 1066024032. Its totient is φ = 114625920.

The previous prime is 378266039. The next prime is 378266069. The reversal of 378266064 is 460662873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378266069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357679 + ... + 358734.

Almost surely, 2^378266064 is an apocalyptic number.

It is an amenable number.

378266064 is an abundant number, since it is smaller than the sum of its proper divisors (687757968).

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

378266064 is a wasteful number, since it uses less digits than its factorization.

378266064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716435 (or 716429 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 378266064 is about 19449.0633193478. The cubic root of 378266064 is about 723.2122828761.

The spelling of 378266064 in words is "three hundred seventy-eight million, two hundred sixty-six thousand, sixty-four".