40020341011424 has 24 divisors (see below), whose sum is σ = 81331660767168. Its totient is φ = 19364681134080.

The previous prime is 40020341011421. The next prime is 40020341011429. The reversal of 40020341011424 is 42411014302004.

It is a junction number, because it is equal to n+sod(n) for n = 40020341011393 and 40020341011402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020341011421) 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, 20171541857 + ... + 20171543840.

It is an arithmetic number, because the mean of its divisors is an integer number (3388819198632).

Almost surely, 2^{40020341011424} is an apocalyptic number.

It is an amenable number.

40020341011424 is an abundant number, since it is smaller than the sum of its proper divisors (41311319755744).

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

40020341011424 is a wasteful number, since it uses less digits than its factorization.

40020341011424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40343085738 (or 40343085730 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 40020341011424 its reverse (42411014302004), we get a palindrome (82431355313428).

The spelling of 40020341011424 in words is "forty trillion, twenty billion, three hundred forty-one million, eleven thousand, four hundred twenty-four".