2409517044 has 126 divisors (see below), whose sum is σ = 6950091890. Its totient is φ = 730049760.

The previous prime is 2409517043. The next prime is 2409517063. The reversal of 2409517044 is 4407159042.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2091964644 + 317552400 = 45738^2 + 17820^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409517043) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 349422 + ... + 356250.

Almost surely, 2^2409517044 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 2409517044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3475045945).

2409517044 is an abundant number, since it is smaller than the sum of its proper divisors (4540574846).

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

2409517044 is a wasteful number, since it uses less digits than its factorization.

2409517044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873 (or 6845 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2409517044 is about 49086.8316761227. The cubic root of 2409517044 is about 1340.6332946232.

The spelling of 2409517044 in words is "two billion, four hundred nine million, five hundred seventeen thousand, forty-four".