40728499200 has 396 divisors, whose sum is σ = 149254925248. Its totient is φ = 10605772800.

The previous prime is 40728499193. The next prime is 40728499277. The reversal of 40728499200 is 299482704.

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 35 ways as a sum of consecutive naturals, for example, 9905145 + ... + 9909255.

Almost surely, 2^40728499200 is an apocalyptic number.

40728499200 is a gapful number since it is divisible by the number (40) 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 40728499200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74627462624).

40728499200 is an abundant number, since it is smaller than the sum of its proper divisors (108526426048).

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

40728499200 is a wasteful number, since it uses less digits than its factorization.

40728499200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 40728499200 in words is "forty billion, seven hundred twenty-eight million, four hundred ninety-nine thousand, two hundred".