40203672 has 32 divisors (see below), whose sum is σ = 100664880. Its totient is φ = 13380480.

The previous prime is 40203641. The next prime is 40203673. The reversal of 40203672 is 27630204.

40203672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40203673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28422 + ... + 29802.

Almost surely, 2^40203672 is an apocalyptic number.

It is an amenable number.

40203672 is an abundant number, since it is smaller than the sum of its proper divisors (60461208).

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

40203672 is a wasteful number, since it uses less digits than its factorization.

40203672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40203672 is about 6340.6365611033. The cubic root of 40203672 is about 342.5746639574.

Adding to 40203672 its reverse (27630204), we get a palindrome (67833876).

The spelling of 40203672 in words is "forty million, two hundred three thousand, six hundred seventy-two".