378855568402 has 32 divisors (see below), whose sum is σ = 612196485120. Its totient is φ = 175258112400.

The previous prime is 378855568369. The next prime is 378855568409. The reversal of 378855568402 is 204865558873.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (378855568409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14612983 + ... + 14638885.

It is an arithmetic number, because the mean of its divisors is an integer number (19131140160).

Almost surely, 2^378855568402 is an apocalyptic number.

378855568402 is a deficient number, since it is larger than the sum of its proper divisors (233340916718).

378855568402 is a wasteful number, since it uses less digits than its factorization.

378855568402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34918.

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 378855568402 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, five hundred sixty-eight thousand, four hundred two".