9940147200 has 528 divisors, whose sum is σ = 37190878560. Its totient is φ = 2601123840.

The previous prime is 9940147193. The next prime is 9940147219. The reversal of 9940147200 is 27410499.

9940147200 is a `hidden beast` number, since 9 + 9 + 401 + 47 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 50457502 + ... + 50457698.

It is an arithmetic number, because the mean of its divisors is an integer number (70437270).

Almost surely, 2^9940147200 is an apocalyptic number.

9940147200 is a gapful number since it is divisible by the number (90) 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 9940147200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18595439280).

9940147200 is an abundant number, since it is smaller than the sum of its proper divisors (27250731360).

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

9940147200 is a wasteful number, since it uses less digits than its factorization.

9940147200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 9940147200 is about 99700.2868601691. The cubic root of 9940147200 is about 2150.1277876093.

Adding to 9940147200 its reverse (27410499), we get a palindrome (9967557699).

The spelling of 9940147200 in words is "nine billion, nine hundred forty million, one hundred forty-seven thousand, two hundred".