490009307136 has 192 divisors, whose sum is σ = 1326562997760. Its totient is φ = 160825589760.

The previous prime is 490009307131. The next prime is 490009307167. The reversal of 490009307136 is 631703900094.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (490009307131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168792661 + ... + 168795563.

It is an arithmetic number, because the mean of its divisors is an integer number (6909182280).

Almost surely, 2^490009307136 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 490009307136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663281498880).

490009307136 is an abundant number, since it is smaller than the sum of its proper divisors (836553690624).

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

490009307136 is a wasteful number, since it uses less digits than its factorization.

490009307136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 490009307136 in words is "four hundred ninety billion, nine million, three hundred seven thousand, one hundred thirty-six".