40102404105502 has 24 divisors (see below), whose sum is σ = 63486758853000. Its totient is φ = 18995713176528.

The previous prime is 40102404105481. The next prime is 40102404105503. The reversal of 40102404105502 is 20550140420104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102404105503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150114024 + ... + 150380932.

It is an arithmetic number, because the mean of its divisors is an integer number (2645281618875).

Almost surely, 2^{40102404105502} is an apocalyptic number.

40102404105502 is a deficient number, since it is larger than the sum of its proper divisors (23384354747498).

40102404105502 is a wasteful number, since it uses less digits than its factorization.

40102404105502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475048 (or 475029 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 40102404105502 its reverse (20550140420104), we get a palindrome (60652544525606).

The spelling of 40102404105502 in words is "forty trillion, one hundred two billion, four hundred four million, one hundred five thousand, five hundred two".