38255551488 has 1056 divisors, whose sum is σ = 149110161408. Its totient is φ = 9157017600.

The previous prime is 38255551447. The next prime is 38255551507. The reversal of 38255551488 is 88415555283.

38255551488 is a `hidden beast` number, since 3 + 8 + 2 + 5 + 5 + 551 + 4 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 813947881 + ... + 813947927.

Almost surely, 2^38255551488 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 38255551488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74555080704).

38255551488 is an abundant number, since it is smaller than the sum of its proper divisors (110854609920).

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

38255551488 is a wasteful number, since it uses less digits than its factorization.

38255551488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 138 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 54.

The spelling of 38255551488 in words is "thirty-eight billion, two hundred fifty-five million, five hundred fifty-one thousand, four hundred eighty-eight".