42204002440240 has 40 divisors (see below), whose sum is σ = 98130451780368. Its totient is φ = 16880543581440.

The previous prime is 42204002440207. The next prime is 42204002440247. The reversal of 42204002440240 is 4204420040224.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 42204002440199 and 42204002440208.

It is not an unprimeable number, because it can be changed into a prime (42204002440247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15235966 + ... + 17791645.

Almost surely, 2^{42204002440240} is an apocalyptic number.

42204002440240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42204002440240 is an abundant number, since it is smaller than the sum of its proper divisors (55926449340128).

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

42204002440240 is a wasteful number, since it uses less digits than its factorization.

42204002440240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33043597 (or 33043591 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42204002440240 its reverse (4204420040224), we get a palindrome (46408422480464).

The spelling of 42204002440240 in words is "forty-two trillion, two hundred four billion, two million, four hundred forty thousand, two hundred forty".