1338623496 has 80 divisors (see below), whose sum is σ = 4285026240. Its totient is φ = 382462560.

The previous prime is 1338623477. The next prime is 1338623521. The reversal of 1338623496 is 6943268331.

1338623496 is a `hidden beast` number, since 13 + 3 + 8 + 623 + 4 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 143020 + ... + 152091.

It is an arithmetic number, because the mean of its divisors is an integer number (53562828).

Almost surely, 2^1338623496 is an apocalyptic number.

It is an amenable number.

1338623496 is an abundant number, since it is smaller than the sum of its proper divisors (2946402744).

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

1338623496 is a wasteful number, since it uses less digits than its factorization.

1338623496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295136 (or 295123 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 1338623496 is about 36587.2039926530. The cubic root of 1338623496 is about 1102.0961397367.

The spelling of 1338623496 in words is "one billion, three hundred thirty-eight million, six hundred twenty-three thousand, four hundred ninety-six".