1309470448 has 40 divisors (see below), whose sum is σ = 2980652976. Its totient is φ = 549427200.

The previous prime is 1309470433. The next prime is 1309470479. The reversal of 1309470448 is 8440749031.

It is a self number, because there is not a number n which added to its sum of digits gives 1309470448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283873 + ... + 288448.

Almost surely, 2^1309470448 is an apocalyptic number.

It is an amenable number.

1309470448 is an abundant number, since it is smaller than the sum of its proper divisors (1671182528).

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

1309470448 is a wasteful number, since it uses less digits than its factorization.

1309470448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572353 (or 572347 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1309470448 is about 36186.6059198704. The cubic root of 1309470448 is about 1094.0367244896.

The spelling of 1309470448 in words is "one billion, three hundred nine million, four hundred seventy thousand, four hundred forty-eight".