1980038481 has 8 divisors (see below), whose sum is σ = 2731087680. Its totient is φ = 1274507472.

The previous prime is 1980038477. The next prime is 1980038497. The reversal of 1980038481 is 1848300891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1980038481 - 2² = 1980038477 is a prime.

It is a super-2 number, since 2×1980038481² = 7841104772481574722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1980031481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11379445 + ... + 11379618.

It is an arithmetic number, because the mean of its divisors is an integer number (341385960).

Almost surely, 2^1980038481 is an apocalyptic number.

It is an amenable number.

1980038481 is a deficient number, since it is larger than the sum of its proper divisors (751049199).

1980038481 is a wasteful number, since it uses less digits than its factorization.

1980038481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22759095.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1980038481 is about 44497.6233185549. The cubic root of 1980038481 is about 1255.7153704178.

The spelling of 1980038481 in words is "one billion, nine hundred eighty million, thirty-eight thousand, four hundred eighty-one".