4201243400 has 24 divisors (see below), whose sum is σ = 9767891370. Its totient is φ = 1680497280.

The previous prime is 4201243393. The next prime is 4201243433. The reversal of 4201243400 is 43421024.

4201243400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3532400356 + 668843044 = 59434^2 + 25862^2 .

It is a super-2 number, since 2×4201243400² = 35300892212087120000, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10502909 + ... + 10503308.

Almost surely, 2^4201243400 is an apocalyptic number.

4201243400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4201243400 is an abundant number, since it is smaller than the sum of its proper divisors (5566647970).

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

4201243400 is a wasteful number, since it uses less digits than its factorization.

4201243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006233 (or 21006224 counting only the distinct ones).

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

The square root of 4201243400 is about 64816.9993134517. Note that the first 3 decimals coincide. The cubic root of 4201243400 is about 1613.5878475516.

Adding to 4201243400 its reverse (43421024), we get a palindrome (4244664424).

The spelling of 4201243400 in words is "four billion, two hundred one million, two hundred forty-three thousand, four hundred".