40340121145 has 8 divisors (see below), whose sum is σ = 48440448000. Its totient is φ = 32250561840.

The previous prime is 40340121137. The next prime is 40340121167. The reversal of 40340121145 is 54112104304.

40340121145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40340121145 - 2³ = 40340121137 is a prime.

It is a super-2 number, since 2×40340121145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683641 + ... + 2698630.

It is an arithmetic number, because the mean of its divisors is an integer number (6055056000).

Almost surely, 2^40340121145 is an apocalyptic number.

It is an amenable number.

40340121145 is a deficient number, since it is larger than the sum of its proper divisors (8100326855).

40340121145 is a wasteful number, since it uses less digits than its factorization.

40340121145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5383775.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 40340121145 its reverse (54112104304), we get a palindrome (94452225449).

The spelling of 40340121145 in words is "forty billion, three hundred forty million, one hundred twenty-one thousand, one hundred forty-five".