40211406502 has 4 divisors (see below), whose sum is σ = 60317109756. Its totient is φ = 20105703250.

The previous prime is 40211406493. The next prime is 40211406503. The reversal of 40211406502 is 20560411204.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40211406503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052851624 + ... + 10052851627.

It is an arithmetic number, because the mean of its divisors is an integer number (15079277439).

Almost surely, 2^40211406502 is an apocalyptic number.

40211406502 is a deficient number, since it is larger than the sum of its proper divisors (20105703254).

40211406502 is a wasteful number, since it uses less digits than its factorization.

40211406502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105703253.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 40211406502 its reverse (20560411204), we get a palindrome (60771817706).

The spelling of 40211406502 in words is "forty billion, two hundred eleven million, four hundred six thousand, five hundred two".