9619223040 has 720 divisors, whose sum is σ = 40341292992. Its totient is φ = 2151899136.

The previous prime is 9619223021. The next prime is 9619223051. The reversal of 9619223040 is 403229169.

9619223040 is a `hidden beast` number, since 9 + 619 + 2 + 2 + 30 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a junction number, because it is equal to n+sod(n) for n = 9619222986 and 9619223004.

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, 204664297 + ... + 204664343.

Almost surely, 2^9619223040 is an apocalyptic number.

9619223040 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 9619223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20170646496).

9619223040 is an abundant number, since it is smaller than the sum of its proper divisors (30722069952).

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

9619223040 is an frugal number, since it uses more digits than its factorization.

9619223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9619223040 is about 98077.6378182101. The cubic root of 9619223040 is about 2126.7347709093.

The spelling of 9619223040 in words is "nine billion, six hundred nineteen million, two hundred twenty-three thousand, forty".