378582251552 has 18 divisors (see below), whose sum is σ = 745340660253. Its totient is φ = 189289385472.

The previous prime is 378582251543. The next prime is 378582251557. The reversal of 378582251552 is 255152285873.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 376657148176 + 1925103376 = 613724^2 + 43876^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=435076.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378582251494 and 378582251503.

It is not an unprimeable number, because it can be changed into a prime (378582251557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3426224 + ... + 3534992.

Almost surely, 2^378582251552 is an apocalyptic number.

378582251552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

378582251552 is a deficient number, since it is larger than the sum of its proper divisors (366758408701).

378582251552 is an frugal number, since it uses more digits than its factorization.

378582251552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217548 (or 108771 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 53.

The spelling of 378582251552 in words is "three hundred seventy-eight billion, five hundred eighty-two million, two hundred fifty-one thousand, five hundred fifty-two".