40203212 has 12 divisors (see below), whose sum is σ = 80406480. Its totient is φ = 17229936.

The previous prime is 40203211. The next prime is 40203223. The reversal of 40203212 is 21230204.

40203212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (40203211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717887 + ... + 717942.

It is an arithmetic number, because the mean of its divisors is an integer number (6700540).

Almost surely, 2^40203212 is an apocalyptic number.

It is an amenable number.

40203212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40203212 is a wasteful number, since it uses less digits than its factorization.

40203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435840 (or 1435838 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40203212 is about 6340.6002870391. The cubic root of 40203212 is about 342.5733574023.

Adding to 40203212 its reverse (21230204), we get a palindrome (61433416).

The spelling of 40203212 in words is "forty million, two hundred three thousand, two hundred twelve".