40041002 has 4 divisors (see below), whose sum is σ = 60061506. Its totient is φ = 20020500.

The previous prime is 40040981. The next prime is 40041007. The reversal of 40041002 is 20014004.

40041002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21799561 + 18241441 = 4669^2 + 4271^2 .

It is not an unprimeable number, because it can be changed into a prime (40041007) 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 as a sum of consecutive naturals, namely, 10010249 + ... + 10010252.

Almost surely, 2^40041002 is an apocalyptic number.

40041002 is a deficient number, since it is larger than the sum of its proper divisors (20020504).

40041002 is a wasteful number, since it uses less digits than its factorization.

40041002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020503.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40041002 is about 6327.7959828048. The cubic root of 40041002 is about 342.1120034873.

Adding to 40041002 its reverse (20014004), we get a palindrome (60055006).

The spelling of 40041002 in words is "forty million, forty-one thousand, two".