378445561210 has 32 divisors (see below), whose sum is σ = 691066050192. Its totient is φ = 149189414400.

The previous prime is 378445561187. The next prime is 378445561229. The reversal of 378445561210 is 12165544873.

It can be written as a sum of positive squares in 8 ways, for example, as 12421771209 + 366023790001 = 111453^2 + 604999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750492 + ... + 1148968.

Almost surely, 2^378445561210 is an apocalyptic number.

378445561210 is a deficient number, since it is larger than the sum of its proper divisors (312620488982).

378445561210 is a wasteful number, since it uses less digits than its factorization.

378445561210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399858.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 378445561210 in words is "three hundred seventy-eight billion, four hundred forty-five million, five hundred sixty-one thousand, two hundred ten".