9087209040 has 640 divisors, whose sum is σ = 37197619200. Its totient is φ = 1781637120.

The previous prime is 9087209039. The next prime is 9087209051. The reversal of 9087209040 is 409027809.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 9087209040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25312381 + ... + 25312739.

It is an arithmetic number, because the mean of its divisors is an integer number (58121280).

Almost surely, 2^9087209040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9087209040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18598809600).

9087209040 is an abundant number, since it is smaller than the sum of its proper divisors (28110410160).

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

9087209040 is a wasteful number, since it uses less digits than its factorization.

9087209040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9087209040 is about 95326.8537191908. The cubic root of 9087209040 is about 2086.7808350853.

The spelling of 9087209040 in words is "nine billion, eighty-seven million, two hundred nine thousand, forty".