1478147280 has 80 divisors (see below), whose sum is σ = 4851814464. Its totient is φ = 370984960.

The previous prime is 1478147243. The next prime is 1478147287. The reversal of 1478147280 is 827418741.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478147287) 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, 177066 + ... + 185225.

Almost surely, 2^1478147280 is an apocalyptic number.

1478147280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1478147280 is an abundant number, since it is smaller than the sum of its proper divisors (3373667184).

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

1478147280 is a wasteful number, since it uses less digits than its factorization.

1478147280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362324 (or 362318 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 1478147280 is about 38446.6810010955. The cubic root of 1478147280 is about 1139.1281114225.

The spelling of 1478147280 in words is "one billion, four hundred seventy-eight million, one hundred forty-seven thousand, two hundred eighty".