40513421051450 has 12 divisors (see below), whose sum is σ = 75354963155790. Its totient is φ = 16205368420560.

The previous prime is 40513421051423. The next prime is 40513421051479. The reversal of 40513421051450 is 5415012431504.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 34149168625441 + 6364252426009 = 5843729^2 + 2522747^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40513421051450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405134210465 + ... + 405134210564.

Almost surely, 2^{40513421051450} is an apocalyptic number.

40513421051450 is a deficient number, since it is larger than the sum of its proper divisors (34841542104340).

40513421051450 is a wasteful number, since it uses less digits than its factorization.

40513421051450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810268421041 (or 810268421036 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 40513421051450 its reverse (5415012431504), we get a palindrome (45928433482954).

The spelling of 40513421051450 in words is "forty trillion, five hundred thirteen billion, four hundred twenty-one million, fifty-one thousand, four hundred fifty".