38888041440 has 48 divisors (see below), whose sum is σ = 122497332048. Its totient is φ = 10370144256.

The previous prime is 38888041427. The next prime is 38888041441. The reversal of 38888041440 is 4414088883.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 38888041440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38888041441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40507897 + ... + 40508856.

It is an arithmetic number, because the mean of its divisors is an integer number (2552027751).

Almost surely, 2^38888041440 is an apocalyptic number.

38888041440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38888041440 is an abundant number, since it is smaller than the sum of its proper divisors (83609290608).

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

38888041440 is a wasteful number, since it uses less digits than its factorization.

38888041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81016771 (or 81016763 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 48.

The spelling of 38888041440 in words is "thirty-eight billion, eight hundred eighty-eight million, forty-one thousand, four hundred forty".