42000422420240 has 80 divisors (see below), whose sum is σ = 98047166454720. Its totient is φ = 16732017984000.

The previous prime is 42000422420233. The next prime is 42000422420249. The reversal of 42000422420240 is 4202422400024.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (42000422420249) 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, 306533027 + ... + 306670013.

It is an arithmetic number, because the mean of its divisors is an integer number (1225589580684).

Almost surely, 2^{42000422420240} is an apocalyptic number.

42000422420240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42000422420240 is an abundant number, since it is smaller than the sum of its proper divisors (56046744034480).

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

42000422420240 is a wasteful number, since it uses less digits than its factorization.

42000422420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152520 (or 152514 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42000422420240 its reverse (4202422400024), we get a palindrome (46202844820264).

The spelling of 42000422420240 in words is "forty-two trillion, four hundred twenty-two million, four hundred twenty thousand, two hundred forty".