378690899440324 has 9 divisors (see below), whose sum is σ = 662709142130511. Its totient is φ = 189345430260180.

The previous prime is 378690899440313. The next prime is 378690899440333. The reversal of 378690899440324 is 423044998096873.

The square root of 378690899440324 is 19459982.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 34054969 + ... + 43784959.

Almost surely, 2^{378690899440324} is an apocalyptic number.

378690899440324 is the 19459982-nd square number.

It is an amenable number.

378690899440324 is a deficient number, since it is larger than the sum of its proper divisors (284018242690187).

378690899440324 is an frugal number, since it uses more digits than its factorization.

378690899440324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19459986 (or 9729993 counting only the distinct ones).

The product of its (nonzero) digits is 2257403904, while the sum is 76.

The spelling of 378690899440324 in words is "three hundred seventy-eight trillion, six hundred ninety billion, eight hundred ninety-nine million, four hundred forty thousand, three hundred twenty-four".