40203012 has 24 divisors (see below), whose sum is σ = 98744800. Its totient is φ = 12695616.

The previous prime is 40202947. The next prime is 40203029. The reversal of 40203012 is 21030204.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87937 + ... + 88392.

Almost surely, 2^40203012 is an apocalyptic number.

It is an amenable number.

40203012 is an abundant number, since it is smaller than the sum of its proper divisors (58541788).

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

40203012 is a wasteful number, since it uses less digits than its factorization.

40203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176355 (or 176353 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40203012 is about 6340.5845156421. The cubic root of 40203012 is about 342.5727893317.

Adding to 40203012 its reverse (21030204), we get a palindrome (61233216).

The spelling of 40203012 in words is "forty million, two hundred three thousand, twelve".