38858805440 has 336 divisors, whose sum is σ = 119517493248. Its totient is φ = 11760832512.

The previous prime is 38858805431. The next prime is 38858805451. The reversal of 38858805440 is 4450885883.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8704649 + ... + 8709111.

Almost surely, 2^38858805440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38858805440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59758746624).

38858805440 is an abundant number, since it is smaller than the sum of its proper divisors (80658687808).

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

38858805440 is a wasteful number, since it uses less digits than its factorization.

38858805440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536 (or 4513 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 53.

The spelling of 38858805440 in words is "thirty-eight billion, eight hundred fifty-eight million, eight hundred five thousand, four hundred forty".