4300421240 has 64 divisors (see below), whose sum is σ = 10324864800. Its totient is φ = 1607288832.

The previous prime is 4300421239. The next prime is 4300421267. The reversal of 4300421240 is 421240034.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 16724 + ... + 94236.

Almost surely, 2^4300421240 is an apocalyptic number.

4300421240 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 4300421240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5162432400).

4300421240 is an abundant number, since it is smaller than the sum of its proper divisors (6024443560).

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

4300421240 is a wasteful number, since it uses less digits than its factorization.

4300421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77616 (or 77612 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4300421240 is about 65577.5970892499. The cubic root of 4300421240 is about 1626.1864301317.

Adding to 4300421240 its reverse (421240034), we get a palindrome (4721661274).

The spelling of 4300421240 in words is "four billion, three hundred million, four hundred twenty-one thousand, two hundred forty".