1378960228 has 24 divisors (see below), whose sum is σ = 2500775424. Its totient is φ = 664627200.

The previous prime is 1378960223. The next prime is 1378960229. The reversal of 1378960228 is 8220698731.

It is not an unprimeable number, because it can be changed into a prime (1378960223) 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, 10233 + ... + 53503.

It is an arithmetic number, because the mean of its divisors is an integer number (104198976).

Almost surely, 2^1378960228 is an apocalyptic number.

It is an amenable number.

1378960228 is a deficient number, since it is larger than the sum of its proper divisors (1121815196).

1378960228 is a wasteful number, since it uses less digits than its factorization.

1378960228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43563 (or 43561 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1378960228 is about 37134.3537442083. The cubic root of 1378960228 is about 1113.0565938997.

The spelling of 1378960228 in words is "one billion, three hundred seventy-eight million, nine hundred sixty thousand, two hundred twenty-eight".