40230900 has 54 divisors (see below), whose sum is σ = 126104342. Its totient is φ = 10728000.

The previous prime is 40230893. The next prime is 40230913. The reversal of 40230900 is 903204.

It can be written as a sum of positive squares in 3 ways, for example, as 767376 + 39463524 = 876^2 + 6282^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21451 + ... + 23250.

Almost surely, 2^40230900 is an apocalyptic number.

It is an amenable number.

40230900 is an abundant number, since it is smaller than the sum of its proper divisors (85873442).

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

40230900 is a wasteful number, since it uses less digits than its factorization.

40230900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721 (or 44711 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 40230900 is about 6342.7833007285. The cubic root of 40230900 is about 342.6519829150.

The spelling of 40230900 in words is "forty million, two hundred thirty thousand, nine hundred".