378815441544 has 96 divisors (see below), whose sum is σ = 1029362256000. Its totient is φ = 125853278976.

The previous prime is 378815441527. The next prime is 378815441551. The reversal of 378815441544 is 445144518873.

It is a happy number.

378815441544 is a `hidden beast` number, since 3 + 7 + 8 + 8 + 1 + 54 + 41 + 544 = 666.

It is a super-2 number, since 2×378815441544² (a number of 24 digits) contains 22 as substring.

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, 82943949 + ... + 82948515.

It is an arithmetic number, because the mean of its divisors is an integer number (10722523500).

Almost surely, 2^378815441544 is an apocalyptic number.

It is an amenable number.

378815441544 is an abundant number, since it is smaller than the sum of its proper divisors (650546814456).

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

378815441544 is a wasteful number, since it uses less digits than its factorization.

378815441544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147 (or 8140 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 378815441544 in words is "three hundred seventy-eight billion, eight hundred fifteen million, four hundred forty-one thousand, five hundred forty-four".