2409690816 has 112 divisors (see below), whose sum is σ = 7629042400. Its totient is φ = 741436416.

The previous prime is 2409690779. The next prime is 2409690817. The reversal of 2409690816 is 6180969042.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2409690817) 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, 31171 + ... + 76098.

It is an arithmetic number, because the mean of its divisors is an integer number (68116450).

Almost surely, 2^2409690816 is an apocalyptic number.

2409690816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2409690816 is an abundant number, since it is smaller than the sum of its proper divisors (5219351584).

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

2409690816 is a wasteful number, since it uses less digits than its factorization.

2409690816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107303 (or 107287 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2409690816 is about 49088.6016912277. The cubic root of 2409690816 is about 1340.6655222335.

The spelling of 2409690816 in words is "two billion, four hundred nine million, six hundred ninety thousand, eight hundred sixteen".