4246439940 has 36 divisors (see below), whose sum is σ = 12880868364. Its totient is φ = 1132383936.

The previous prime is 4246439921. The next prime is 4246439947. The reversal of 4246439940 is 499346424.

It can be written as a sum of positive squares in 2 ways, for example, as 1856403396 + 2390036544 = 43086^2 + 48888^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4246439947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11795487 + ... + 11795846.

It is an arithmetic number, because the mean of its divisors is an integer number (357801899).

Almost surely, 2^4246439940 is an apocalyptic number.

It is an amenable number.

4246439940 is an abundant number, since it is smaller than the sum of its proper divisors (8634428424).

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

4246439940 is a wasteful number, since it uses less digits than its factorization.

4246439940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23591348 (or 23591343 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 4246439940 is about 65164.7139178866. The cubic root of 4246439940 is about 1619.3534914546.

The spelling of 4246439940 in words is "four billion, two hundred forty-six million, four hundred thirty-nine thousand, nine hundred forty".