38641844700 has 216 divisors, whose sum is σ = 127761735920. Its totient is φ = 9741772800.

The previous prime is 38641844699. The next prime is 38641844711. The reversal of 38641844700 is 744814683.

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 71 ways as a sum of consecutive naturals, for example, 9249012 + ... + 9253188.

Almost surely, 2^38641844700 is an apocalyptic number.

38641844700 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 38641844700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63880867960).

38641844700 is an abundant number, since it is smaller than the sum of its proper divisors (89119891220).

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

38641844700 is a wasteful number, since it uses less digits than its factorization.

38641844700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 38641844700 in words is "thirty-eight billion, six hundred forty-one million, eight hundred forty-four thousand, seven hundred".