4240420400 has 30 divisors (see below), whose sum is σ = 10187610972. Its totient is φ = 1696168000.

The previous prime is 4240420337. The next prime is 4240420427. The reversal of 4240420400 is 40240424.

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, 5300126 + ... + 5300925.

Almost surely, 2^4240420400 is an apocalyptic number.

4240420400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240420400 is an abundant number, since it is smaller than the sum of its proper divisors (5947190572).

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

4240420400 is a wasteful number, since it uses less digits than its factorization.

4240420400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601069 (or 10601058 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4240420400 is about 65118.5104252239. The cubic root of 4240420400 is about 1618.5879582185.

Adding to 4240420400 its reverse (40240424), we get a palindrome (4280660824).

The spelling of 4240420400 in words is "four billion, two hundred forty million, four hundred twenty thousand, four hundred".