9040187490 has 64 divisors (see below), whose sum is σ = 22805266176. Its totient is φ = 2289047552.

The previous prime is 9040187459. The next prime is 9040187491. The reversal of 9040187490 is 947810409.

It is not an unprimeable number, because it can be changed into a prime (9040187491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46714 + ... + 142346.

It is an arithmetic number, because the mean of its divisors is an integer number (356332284).

Almost surely, 2^9040187490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9040187490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11402633088).

9040187490 is an abundant number, since it is smaller than the sum of its proper divisors (13765078686).

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

9040187490 is a wasteful number, since it uses less digits than its factorization.

9040187490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95803.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 9040187490 is about 95079.9005573733. The cubic root of 9040187490 is about 2083.1752761298.

Adding to 9040187490 its reverse (947810409), we get a palindrome (9987997899).

The spelling of 9040187490 in words is "nine billion, forty million, one hundred eighty-seven thousand, four hundred ninety".