1378842200 has 24 divisors (see below), whose sum is σ = 3205808580. Its totient is φ = 551536800.

The previous prime is 1378842193. The next prime is 1378842229. The reversal of 1378842200 is 22488731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3446906 + ... + 3447305.

Almost surely, 2^1378842200 is an apocalyptic number.

1378842200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378842200 is an abundant number, since it is smaller than the sum of its proper divisors (1826966380).

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

1378842200 is a wasteful number, since it uses less digits than its factorization.

1378842200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894227 (or 6894218 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1378842200 is about 37132.7645079113. The cubic root of 1378842200 is about 1113.0248367372.

The spelling of 1378842200 in words is "one billion, three hundred seventy-eight million, eight hundred forty-two thousand, two hundred".