40521036211 has 8 divisors (see below), whose sum is σ = 41417464320. Its totient is φ = 39634195848.

The previous prime is 40521036181. The next prime is 40521036221. The reversal of 40521036211 is 11263012504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40521036211 - 2¹⁵ = 40521003443 is a prime.

It is a super-2 number, since 2×40521036211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40521036221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388391 + ... + 2405296.

It is an arithmetic number, because the mean of its divisors is an integer number (5177183040).

Almost surely, 2^40521036211 is an apocalyptic number.

40521036211 is a deficient number, since it is larger than the sum of its proper divisors (896428109).

40521036211 is a wasteful number, since it uses less digits than its factorization.

40521036211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793873.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 40521036211 its reverse (11263012504), we get a palindrome (51784048715).

The spelling of 40521036211 in words is "forty billion, five hundred twenty-one million, thirty-six thousand, two hundred eleven".