40003445500 has 192 divisors, whose sum is σ = 94348800000. Its totient is φ = 14771347200.

The previous prime is 40003445459. The next prime is 40003445507. The reversal of 40003445500 is 554430004.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003445507) 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, 83514261 + ... + 83514739.

It is an arithmetic number, because the mean of its divisors is an integer number (491400000).

Almost surely, 2^40003445500 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 40003445500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47174400000).

40003445500 is an abundant number, since it is smaller than the sum of its proper divisors (54345354500).

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

40003445500 is a wasteful number, since it uses less digits than its factorization.

40003445500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 40003445500 its reverse (554430004), we get a palindrome (40557875504).

The spelling of 40003445500 in words is "forty billion, three million, four hundred forty-five thousand, five hundred".