40521630181350 has 24 divisors (see below), whose sum is σ = 100493642850120. Its totient is φ = 10805768048320.

The previous prime is 40521630181349. The next prime is 40521630181391. The reversal of 40521630181350 is 5318103612504.

It is a junction number, because it is equal to n+sod(n) for n = 40521630181299 and 40521630181308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135072100455 + ... + 135072100754.

It is an arithmetic number, because the mean of its divisors is an integer number (4187235118755).

Almost surely, 2^{40521630181350} is an apocalyptic number.

40521630181350 is an abundant number, since it is smaller than the sum of its proper divisors (59972012668770).

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

40521630181350 is a wasteful number, since it uses less digits than its factorization.

40521630181350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270144201224 (or 270144201219 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 40521630181350 its reverse (5318103612504), we get a palindrome (45839733793854).

The spelling of 40521630181350 in words is "forty trillion, five hundred twenty-one billion, six hundred thirty million, one hundred eighty-one thousand, three hundred fifty".