378255370055552 has 128 divisors (see below), whose sum is σ = 826344500544000. Its totient is φ = 171038615869440.

The previous prime is 378255370055551. The next prime is 378255370055573. The reversal of 378255370055552 is 255550073552873.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378255370055551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548499058 + ... + 1548743310.

It is an arithmetic number, because the mean of its divisors is an integer number (6455816410500).

Almost surely, 2^{378255370055552} is an apocalyptic number.

378255370055552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378255370055552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413172250272000).

378255370055552 is an abundant number, since it is smaller than the sum of its proper divisors (448089130488448).

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

378255370055552 is a wasteful number, since it uses less digits than its factorization.

378255370055552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250004 (or 249992 counting only the distinct ones).

The product of its (nonzero) digits is 220500000, while the sum is 62.

The spelling of 378255370055552 in words is "three hundred seventy-eight trillion, two hundred fifty-five billion, three hundred seventy million, fifty-five thousand, five hundred fifty-two".