40384500 has 192 divisors, whose sum is σ = 134534400. Its totient is φ = 9331200.

The previous prime is 40384499. The next prime is 40384507. The reversal of 40384500 is 548304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40384507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 370446 + ... + 370554.

It is an arithmetic number, because the mean of its divisors is an integer number (700700).

Almost surely, 2^40384500 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 40384500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67267200).

40384500 is an abundant number, since it is smaller than the sum of its proper divisors (94149900).

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

40384500 is a wasteful number, since it uses less digits than its factorization.

40384500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40384500 is about 6354.8800146030. The cubic root of 40384500 is about 343.0875063959.

The spelling of 40384500 in words is "forty million, three hundred eighty-four thousand, five hundred".