1378338160 has 40 divisors (see below), whose sum is σ = 3210660576. Its totient is φ = 550298880.

The previous prime is 1378338149. The next prime is 1378338161. The reversal of 1378338160 is 618338731.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378338161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27357 + ... + 59203.

Almost surely, 2^1378338160 is an apocalyptic number.

1378338160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378338160 is an abundant number, since it is smaller than the sum of its proper divisors (1832322416).

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

1378338160 is a wasteful number, since it uses less digits than its factorization.

1378338160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32401 (or 32395 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1378338160 is about 37125.9768895042. The cubic root of 1378338160 is about 1112.8891969925.

The spelling of 1378338160 in words is "one billion, three hundred seventy-eight million, three hundred thirty-eight thousand, one hundred sixty".