4248407720 has 16 divisors (see below), whose sum is σ = 9558917460. Its totient is φ = 1699363072.

The previous prime is 4248407719. The next prime is 4248407753. The reversal of 4248407720 is 277048424.

It can be written as a sum of positive squares in 2 ways, for example, as 4195671076 + 52736644 = 64774^2 + 7262^2 .

It is a super-3 number, since 3×4248407720³ (a number of 30 digits) contains 333 as substring.

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, 53105057 + ... + 53105136.

Almost surely, 2^4248407720 is an apocalyptic number.

4248407720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4248407720 is an abundant number, since it is smaller than the sum of its proper divisors (5310509740).

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

4248407720 is a wasteful number, since it uses less digits than its factorization.

4248407720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106210204 (or 106210200 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 4248407720 is about 65179.8106778472. The cubic root of 4248407720 is about 1619.6035863872.

The spelling of 4248407720 in words is "four billion, two hundred forty-eight million, four hundred seven thousand, seven hundred twenty".