1478355312 has 80 divisors (see below), whose sum is σ = 4369720320. Its totient is φ = 421898496.

The previous prime is 1478355299. The next prime is 1478355317. The reversal of 1478355312 is 2135538741.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478355317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368614 + ... + 372602.

It is an arithmetic number, because the mean of its divisors is an integer number (54621504).

Almost surely, 2^1478355312 is an apocalyptic number.

1478355312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1478355312 is an abundant number, since it is smaller than the sum of its proper divisors (2891365008).

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

1478355312 is a wasteful number, since it uses less digits than its factorization.

1478355312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5104 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 1478355312 is about 38449.3863670150. The cubic root of 1478355312 is about 1139.1815485836.

The spelling of 1478355312 in words is "one billion, four hundred seventy-eight million, three hundred fifty-five thousand, three hundred twelve".