4424721870 has 16 divisors (see below), whose sum is σ = 10619332560. Its totient is φ = 1179925824.

The previous prime is 4424721863. The next prime is 4424721883. The reversal of 4424721870 is 781274244.

It is a happy number.

It is a Curzon number.

It is a congruent 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, 73745335 + ... + 73745394.

It is an arithmetic number, because the mean of its divisors is an integer number (663708285).

Almost surely, 2^4424721870 is an apocalyptic number.

4424721870 is an abundant number, since it is smaller than the sum of its proper divisors (6194610690).

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

4424721870 is a wasteful number, since it uses less digits than its factorization.

4424721870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147490739.

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 4424721870 is about 66518.5828923016. The cubic root of 4424721870 is about 1641.7057740289.

The spelling of 4424721870 in words is "four billion, four hundred twenty-four million, seven hundred twenty-one thousand, eight hundred seventy".