40414457021 has 8 divisors (see below), whose sum is σ = 40652168544. Its totient is φ = 40177181520.

The previous prime is 40414456993. The next prime is 40414457029. The reversal of 40414457021 is 12075441404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40414457021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40414457029) 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, 77855 + ... + 294771.

It is an arithmetic number, because the mean of its divisors is an integer number (5081521068).

Almost surely, 2^40414457021 is an apocalyptic number.

It is an amenable number.

40414457021 is a deficient number, since it is larger than the sum of its proper divisors (237711523).

40414457021 is a wasteful number, since it uses less digits than its factorization.

40414457021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218011.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 40414457021 its reverse (12075441404), we get a palindrome (52489898425).

The spelling of 40414457021 in words is "forty billion, four hundred fourteen million, four hundred fifty-seven thousand, twenty-one".