40505345614420 has 48 divisors (see below), whose sum is σ = 87396236258688. Its totient is φ = 15757735835520.

The previous prime is 40505345614417. The next prime is 40505345614427. The reversal of 40505345614420 is 2441654350504.

It is a super-2 number, since 2×40505345614420² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505345614427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9502266 + ... + 13088305.

It is an arithmetic number, because the mean of its divisors is an integer number (1820754922056).

Almost surely, 2^{40505345614420} is an apocalyptic number.

It is an amenable number.

40505345614420 is an abundant number, since it is smaller than the sum of its proper divisors (46890890644268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40505345614420 is a wasteful number, since it uses less digits than its factorization.

40505345614420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593040 (or 22593038 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 40505345614420 its reverse (2441654350504), we get a palindrome (42946999964924).

The spelling of 40505345614420 in words is "forty trillion, five hundred five billion, three hundred forty-five million, six hundred fourteen thousand, four hundred twenty".