1481638100 has 36 divisors (see below), whose sum is σ = 3289935264. Its totient is φ = 578870880.

The previous prime is 1481637977. The next prime is 1481638117. The reversal of 1481638100 is 18361841.

It is a happy number.

It is a super-2 number, since 2×1481638100² = 4390502918743220000, which contains 22 as substring.

It is a congruent number.

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, 167984 + ... + 176583.

Almost surely, 2^1481638100 is an apocalyptic number.

1481638100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481638100 is an abundant number, since it is smaller than the sum of its proper divisors (1808297164).

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

1481638100 is a wasteful number, since it uses less digits than its factorization.

1481638100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344624 (or 344617 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1481638100 is about 38492.0524264425. The cubic root of 1481638100 is about 1140.0241351205.

Adding to 1481638100 its reverse (18361841), we get a palindrome (1499999941).

The spelling of 1481638100 in words is "one billion, four hundred eighty-one million, six hundred thirty-eight thousand, one hundred".