2439920770 has 16 divisors (see below), whose sum is σ = 5019265728. Its totient is φ = 836544240.

The previous prime is 2439920687. The next prime is 2439920789. The reversal of 2439920770 is 770299342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17427936 + ... + 17428075.

It is an arithmetic number, because the mean of its divisors is an integer number (313704108).

Almost surely, 2^2439920770 is an apocalyptic number.

2439920770 is an abundant number, since it is smaller than the sum of its proper divisors (2579344958).

2439920770 is a wasteful number, since it uses less digits than its factorization.

2439920770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34856025.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 2439920770 is about 49395.5541521704. The cubic root of 2439920770 is about 1346.2485276525.

The spelling of 2439920770 in words is "two billion, four hundred thirty-nine million, nine hundred twenty thousand, seven hundred seventy".