2909280442 has 32 divisors (see below), whose sum is σ = 4707020160. Its totient is φ = 1345312320.

The previous prime is 2909280433. The next prime is 2909280443. The reversal of 2909280442 is 2440829092.

It is a junction number, because it is equal to n+sod(n) for n = 2909280395 and 2909280404.

It is not an unprimeable number, because it can be changed into a prime (2909280443) 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, 156768 + ... + 174340.

It is an arithmetic number, because the mean of its divisors is an integer number (147094380).

Almost surely, 2^2909280442 is an apocalyptic number.

2909280442 is a deficient number, since it is larger than the sum of its proper divisors (1797739718).

2909280442 is a wasteful number, since it uses less digits than its factorization.

2909280442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2909280442 is about 53937.7459855341. The cubic root of 2909280442 is about 1427.5627124862.

The spelling of 2909280442 in words is "two billion, nine hundred nine million, two hundred eighty thousand, four hundred forty-two".