40287200 has 36 divisors (see below), whose sum is σ = 98353080. Its totient is φ = 16114560.

The previous prime is 40287193. The next prime is 40287223. The reversal of 40287200 is 278204.

It is a congruent number.

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, 24380 + ... + 25979.

It is an arithmetic number, because the mean of its divisors is an integer number (2732030).

Almost surely, 2^40287200 is an apocalyptic number.

40287200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40287200 is an abundant number, since it is smaller than the sum of its proper divisors (58065880).

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

40287200 is a wasteful number, since it uses less digits than its factorization.

40287200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50379 (or 50366 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 40287200 is about 6347.2198638459. The cubic root of 40287200 is about 342.8117466351.

The spelling of 40287200 in words is "forty million, two hundred eighty-seven thousand, two hundred".