2409438738 has 64 divisors (see below), whose sum is σ = 5869117440. Its totient is φ = 644457792.

The previous prime is 2409438721. The next prime is 2409438749. The reversal of 2409438738 is 8378349042.

2409438738 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18868 + ... + 71936.

It is an arithmetic number, because the mean of its divisors is an integer number (91704960).

Almost surely, 2^2409438738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2409438738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934558720).

2409438738 is an abundant number, since it is smaller than the sum of its proper divisors (3459678702).

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

2409438738 is a wasteful number, since it uses less digits than its factorization.

2409438738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53151.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 2409438738 is about 49086.0340422813. The cubic root of 2409438738 is about 1340.6187715513.

The spelling of 2409438738 in words is "two billion, four hundred nine million, four hundred thirty-eight thousand, seven hundred thirty-eight".