40424200 has 24 divisors (see below), whose sum is σ = 93986730. Its totient is φ = 16169600.

The previous prime is 40424177. The next prime is 40424201. The reversal of 40424200 is 242404.

It can be written as a sum of positive squares in 3 ways, for example, as 37234404 + 3189796 = 6102^2 + 1786^2 .

It is not an unprimeable number, because it can be changed into a prime (40424201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100861 + ... + 101260.

Almost surely, 2^40424200 is an apocalyptic number.

40424200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40424200 is an abundant number, since it is smaller than the sum of its proper divisors (53562530).

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

40424200 is a wasteful number, since it uses less digits than its factorization.

40424200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202137 (or 202128 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40424200 is about 6358.0028310783. The cubic root of 40424200 is about 343.1998936831.

Adding to 40424200 its reverse (242404), we get a palindrome (40666604).

The spelling of 40424200 in words is "forty million, four hundred twenty-four thousand, two hundred".