9489363840 has 672 divisors, whose sum is σ = 37987739640. Its totient is φ = 2246952960.

The previous prime is 9489363833. The next prime is 9489363889. The reversal of 9489363840 is 483639849.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 220682859 + ... + 220682901.

Almost surely, 2^9489363840 is an apocalyptic number.

9489363840 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 9489363840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18993869820).

9489363840 is an abundant number, since it is smaller than the sum of its proper divisors (28498375800).

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

9489363840 is an equidigital number, since it uses as much as digits as its factorization.

9489363840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 9489363840 is about 97413.3658180437. The cubic root of 9489363840 is about 2117.1210952587.

The spelling of 9489363840 in words is "nine billion, four hundred eighty-nine million, three hundred sixty-three thousand, eight hundred forty".