41421002100520 has 96 divisors (see below), whose sum is σ = 110190397843080. Its totient is φ = 13968675141120.

The previous prime is 41421002100479. The next prime is 41421002100521. The reversal of 41421002100520 is 2500120012414.

It can be written as a sum of positive squares in 4 ways, for example, as 24260215317156 + 17160786783364 = 4925466^2 + 4142558^2 .

It is a super-2 number, since 2×41421002100520² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41421002100491 and 41421002100500.

It is not an unprimeable number, because it can be changed into a prime (41421002100521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173103099 + ... + 173342218.

Almost surely, 2^{41421002100520} is an apocalyptic number.

41421002100520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41421002100520 is an abundant number, since it is smaller than the sum of its proper divisors (68769395742560).

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

41421002100520 is a wasteful number, since it uses less digits than its factorization.

41421002100520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346445403 (or 346445392 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 41421002100520 its reverse (2500120012414), we get a palindrome (43921122112934).

The spelling of 41421002100520 in words is "forty-one trillion, four hundred twenty-one billion, two million, one hundred thousand, five hundred twenty".