38545181980 has 24 divisors (see below), whose sum is σ = 80988223680. Its totient is φ = 15409817280.

The previous prime is 38545181959. The next prime is 38545181993. The reversal of 38545181980 is 8918154583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477615 + ... + 552454.

It is an arithmetic number, because the mean of its divisors is an integer number (3374509320).

Almost surely, 2^38545181980 is an apocalyptic number.

It is an amenable number.

38545181980 is an abundant number, since it is smaller than the sum of its proper divisors (42443041700).

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

38545181980 is a wasteful number, since it uses less digits than its factorization.

38545181980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031949 (or 1031947 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 38545181980 in words is "thirty-eight billion, five hundred forty-five million, one hundred eighty-one thousand, nine hundred eighty".