42504421301240 has 64 divisors (see below), whose sum is σ = 97289935941600. Its totient is φ = 16707750248448.

The previous prime is 42504421301219. The next prime is 42504421301291. The reversal of 42504421301240 is 4210312440524.

It is a junction number, because it is equal to n+sod(n) for n = 42504421301197 and 42504421301206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3590552 + ... + 9894488.

Almost surely, 2^{42504421301240} is an apocalyptic number.

42504421301240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42504421301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48644967970800).

42504421301240 is an abundant number, since it is smaller than the sum of its proper divisors (54785514640360).

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

42504421301240 is a wasteful number, since it uses less digits than its factorization.

42504421301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306864 (or 6306860 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 42504421301240 its reverse (4210312440524), we get a palindrome (46714733741764).

The spelling of 42504421301240 in words is "forty-two trillion, five hundred four billion, four hundred twenty-one million, three hundred one thousand, two hundred forty".