41561021632404 has 12 divisors (see below), whose sum is σ = 96975717142304. Its totient is φ = 13853673877464.

The previous prime is 41561021632279. The next prime is 41561021632411. The reversal of 41561021632404 is 40423612016514.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731709234672 + ... + 1731709234695.

Almost surely, 2^{41561021632404} is an apocalyptic number.

It is an amenable number.

41561021632404 is an abundant number, since it is smaller than the sum of its proper divisors (55414695509900).

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

41561021632404 is a wasteful number, since it uses less digits than its factorization.

41561021632404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463418469374 (or 3463418469372 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 41561021632404 its reverse (40423612016514), we get a palindrome (81984633648918).

The spelling of 41561021632404 in words is "forty-one trillion, five hundred sixty-one billion, twenty-one million, six hundred thirty-two thousand, four hundred four".