40101421013 has 4 divisors (see below), whose sum is σ = 40102682508. Its totient is φ = 40100159520.

The previous prime is 40101420991. The next prime is 40101421049. The reversal of 40101421013 is 31012410104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35133003844 + 4968417169 = 187438^2 + 70487^2 .

It is a cyclic number.

It is not a de Polignac number, because 40101421013 - 2¹⁰ = 40101419989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40101420982 and 40101421000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40101421093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581798 + ... + 647063.

It is an arithmetic number, because the mean of its divisors is an integer number (10025670627).

Almost surely, 2^40101421013 is an apocalyptic number.

It is an amenable number.

40101421013 is a deficient number, since it is larger than the sum of its proper divisors (1261495).

40101421013 is a wasteful number, since it uses less digits than its factorization.

40101421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261494.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 40101421013 its reverse (31012410104), we get a palindrome (71113831117).

The spelling of 40101421013 in words is "forty billion, one hundred one million, four hundred twenty-one thousand, thirteen".