40842354042 has 96 divisors (see below), whose sum is σ = 101729706624. Its totient is φ = 11600640000.

The previous prime is 40842354037. The next prime is 40842354071. The reversal of 40842354042 is 24045324804.

40842354042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40842353988 and 40842354006.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24066538 + ... + 24068234.

It is an arithmetic number, because the mean of its divisors is an integer number (1059684444).

Almost surely, 2^40842354042 is an apocalyptic number.

40842354042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40842354042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50864853312).

40842354042 is an abundant number, since it is smaller than the sum of its proper divisors (60887352582).

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

40842354042 is a wasteful number, since it uses less digits than its factorization.

40842354042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 40842354042 its reverse (24045324804), we get a palindrome (64887678846).

The spelling of 40842354042 in words is "forty billion, eight hundred forty-two million, three hundred fifty-four thousand, forty-two".