378271640338 has 16 divisors (see below), whose sum is σ = 597433842720. Its totient is φ = 179132453856.

The previous prime is 378271640293. The next prime is 378271640377. The reversal of 378271640338 is 833046172873.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215520 + ... + 1494667.

It is an arithmetic number, because the mean of its divisors is an integer number (37339615170).

Almost surely, 2^378271640338 is an apocalyptic number.

378271640338 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

378271640338 is a deficient number, since it is larger than the sum of its proper divisors (219162202382).

378271640338 is a wasteful number, since it uses less digits than its factorization.

378271640338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713881.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 378271640338 in words is "three hundred seventy-eight billion, two hundred seventy-one million, six hundred forty thousand, three hundred thirty-eight".