40521212504 has 16 divisors (see below), whose sum is σ = 79280633520. Its totient is φ = 19379710240.

The previous prime is 40521212489. The next prime is 40521212507.

40521212504 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40521212507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110111807 + ... + 110112174.

It is an arithmetic number, because the mean of its divisors is an integer number (4955039595).

Almost surely, 2^40521212504 is an apocalyptic number.

It is an amenable number.

40521212504 is a deficient number, since it is larger than the sum of its proper divisors (38759421016).

40521212504 is a wasteful number, since it uses less digits than its factorization.

40521212504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220224010 (or 220224006 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 40521212504 in words is "forty billion, five hundred twenty-one million, two hundred twelve thousand, five hundred four".