40121412634 has 8 divisors (see below), whose sum is σ = 60766411680. Its totient is φ = 19865942076.

The previous prime is 40121412629. The next prime is 40121412647. The reversal of 40121412634 is 43621412104.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 97381864 + ... + 97382275.

It is an arithmetic number, because the mean of its divisors is an integer number (7595801460).

Almost surely, 2^40121412634 is an apocalyptic number.

40121412634 is a deficient number, since it is larger than the sum of its proper divisors (20644999046).

40121412634 is a wasteful number, since it uses less digits than its factorization.

40121412634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194764244.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 40121412634 its reverse (43621412104), we get a palindrome (83742824738).

The spelling of 40121412634 in words is "forty billion, one hundred twenty-one million, four hundred twelve thousand, six hundred thirty-four".