2429320978 has 32 divisors (see below), whose sum is σ = 4432693248. Its totient is φ = 974745600.

The previous prime is 2429320967. The next prime is 2429320979. The reversal of 2429320978 is 8790239242.

It is not an unprimeable number, because it can be changed into a prime (2429320979) 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, 18738 + ... + 72178.

It is an arithmetic number, because the mean of its divisors is an integer number (138521664).

Almost surely, 2^2429320978 is an apocalyptic number.

2429320978 is a deficient number, since it is larger than the sum of its proper divisors (2003372270).

2429320978 is a wasteful number, since it uses less digits than its factorization.

2429320978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53658.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2429320978 is about 49288.1423671049. The cubic root of 2429320978 is about 1344.2961870991.

The spelling of 2429320978 in words is "two billion, four hundred twenty-nine million, three hundred twenty thousand, nine hundred seventy-eight".