4465138290 has 64 divisors (see below), whose sum is σ = 11006305920. Its totient is φ = 1158886400.

The previous prime is 4465138273. The next prime is 4465138297. The reversal of 4465138290 is 928315644.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4465138297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166282 + ... + 191258.

It is an arithmetic number, because the mean of its divisors is an integer number (171973530).

Almost surely, 2^4465138290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4465138290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503152960).

4465138290 is an abundant number, since it is smaller than the sum of its proper divisors (6541167630).

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

4465138290 is a wasteful number, since it uses less digits than its factorization.

4465138290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25147.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 4465138290 is about 66821.6902659608. The cubic root of 4465138290 is about 1646.6892032426.

The spelling of 4465138290 in words is "four billion, four hundred sixty-five million, one hundred thirty-eight thousand, two hundred ninety".