4423678240 has 24 divisors (see below), whose sum is σ = 10450940220. Its totient is φ = 1769471232.

The previous prime is 4423678219. The next prime is 4423678253. The reversal of 4423678240 is 428763244.

It can be written as a sum of positive squares in 2 ways, for example, as 3778315024 + 645363216 = 61468^2 + 25404^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4423678193 and 4423678202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13823835 + ... + 13824154.

Almost surely, 2^4423678240 is an apocalyptic number.

4423678240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4423678240 is an abundant number, since it is smaller than the sum of its proper divisors (6027261980).

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

4423678240 is a wasteful number, since it uses less digits than its factorization.

4423678240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27648004 (or 27647996 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The square root of 4423678240 is about 66510.7377796999. The cubic root of 4423678240 is about 1641.5766911043.

The spelling of 4423678240 in words is "four billion, four hundred twenty-three million, six hundred seventy-eight thousand, two hundred forty".