9435473280 has 384 divisors, whose sum is σ = 34765174080. Its totient is φ = 2349858816.

The previous prime is 9435473279. The next prime is 9435473303. The reversal of 9435473280 is 823745349.

It is a tau number, because it is divible by the number of its divisors (384).

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 47 ways as a sum of consecutive naturals, for example, 16352352 + ... + 16352928.

Almost surely, 2^9435473280 is an apocalyptic number.

9435473280 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 9435473280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17382587040).

9435473280 is an abundant number, since it is smaller than the sum of its proper divisors (25329700800).

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

9435473280 is a wasteful number, since it uses less digits than its factorization.

9435473280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 9435473280 is about 97136.3643544476. The cubic root of 9435473280 is about 2113.1057398582.

The spelling of 9435473280 in words is "nine billion, four hundred thirty-five million, four hundred seventy-three thousand, two hundred eighty".