38765458540 has 12 divisors (see below), whose sum is σ = 81407462976. Its totient is φ = 15506183408.

The previous prime is 38765458519. The next prime is 38765458673. The reversal of 38765458540 is 4585456783.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969136444 + ... + 969136483.

It is an arithmetic number, because the mean of its divisors is an integer number (6783955248).

Almost surely, 2^38765458540 is an apocalyptic number.

It is an amenable number.

38765458540 is an abundant number, since it is smaller than the sum of its proper divisors (42642004436).

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

38765458540 is a wasteful number, since it uses less digits than its factorization.

38765458540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938272936 (or 1938272934 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 55.

The spelling of 38765458540 in words is "thirty-eight billion, seven hundred sixty-five million, four hundred fifty-eight thousand, five hundred forty".