40420121344113 has 8 divisors (see below), whose sum is σ = 61592565857728. Its totient is φ = 23097212196624.

The previous prime is 40420121344103. The next prime is 40420121344133. The reversal of 40420121344113 is 31144312102404.

It is a happy number.

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

It is not a de Polignac number, because 40420121344113 - 2²⁰ = 40420120295537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40420121344103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962383841506 + ... + 962383841547.

It is an arithmetic number, because the mean of its divisors is an integer number (7699070732216).

Almost surely, 2^{40420121344113} is an apocalyptic number.

It is an amenable number.

40420121344113 is a deficient number, since it is larger than the sum of its proper divisors (21172444513615).

40420121344113 is a wasteful number, since it uses less digits than its factorization.

40420121344113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924767683063.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 40420121344113 its reverse (31144312102404), we get a palindrome (71564433446517).

The spelling of 40420121344113 in words is "forty trillion, four hundred twenty billion, one hundred twenty-one million, three hundred forty-four thousand, one hundred thirteen".