38526063840 has 288 divisors, whose sum is σ = 148369384800. Its totient is φ = 9017487360.

The previous prime is 38526063809. The next prime is 38526063881. The reversal of 38526063840 is 4836062583.

It is a happy number.

38526063840 is a `hidden beast` number, since 3 + 8 + 5 + 2 + 6 + 0 + 638 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417426 + ... + 501294.

It is an arithmetic number, because the mean of its divisors is an integer number (515171475).

Almost surely, 2^38526063840 is an apocalyptic number.

38526063840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38526063840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74184692400).

38526063840 is an abundant number, since it is smaller than the sum of its proper divisors (109843320960).

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

38526063840 is a wasteful number, since it uses less digits than its factorization.

38526063840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83930 (or 83919 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 38526063840 in words is "thirty-eight billion, five hundred twenty-six million, sixty-three thousand, eight hundred forty".