378640370 has 16 divisors (see below), whose sum is σ = 697403520. Its totient is φ = 147933744.

The previous prime is 378640357. The next prime is 378640391. The reversal of 378640370 is 73046873.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439850 + ... + 440709.

It is an arithmetic number, because the mean of its divisors is an integer number (43587720).

Almost surely, 2^378640370 is an apocalyptic number.

378640370 is a deficient number, since it is larger than the sum of its proper divisors (318763150).

378640370 is a wasteful number, since it uses less digits than its factorization.

378640370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880609.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 378640370 is about 19458.6836656543. The cubic root of 378640370 is about 723.4507512294.

The spelling of 378640370 in words is "three hundred seventy-eight million, six hundred forty thousand, three hundred seventy".