1338553476 has 36 divisors (see below), whose sum is σ = 3643841292. Its totient is φ = 411862464.

The previous prime is 1338553427. The next prime is 1338553481. The reversal of 1338553476 is 6743558331.

1338553476 is a `hidden beast` number, since 1 + 33 + 85 + 534 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 907575876 + 430977600 = 30126^2 + 20760^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1338553476² = 3583450816223365152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429611 + ... + 1430546.

Almost surely, 2^1338553476 is an apocalyptic number.

It is an amenable number.

1338553476 is an abundant number, since it is smaller than the sum of its proper divisors (2305287816).

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

1338553476 is a wasteful number, since it uses less digits than its factorization.

1338553476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860180 (or 2860175 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 1338553476 is about 36586.2470882161. The cubic root of 1338553476 is about 1102.0769234503.

The spelling of 1338553476 in words is "one billion, three hundred thirty-eight million, five hundred fifty-three thousand, four hundred seventy-six".