4202442440 has 64 divisors (see below), whose sum is σ = 10830672000. Its totient is φ = 1437585408.

The previous prime is 4202442437. The next prime is 4202442457. The reversal of 4202442440 is 442442024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109007 + ... + 142433.

It is an arithmetic number, because the mean of its divisors is an integer number (169229250).

Almost surely, 2^4202442440 is an apocalyptic number.

4202442440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4202442440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5415336000).

4202442440 is an abundant number, since it is smaller than the sum of its proper divisors (6628229560).

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

4202442440 is a wasteful number, since it uses less digits than its factorization.

4202442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33894 (or 33890 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4202442440 is about 64826.2480789996. The cubic root of 4202442440 is about 1613.7413395980.

Adding to 4202442440 its reverse (442442024), we get a palindrome (4644884464).

The spelling of 4202442440 in words is "four billion, two hundred two million, four hundred forty-two thousand, four hundred forty".