4200042404240 has 40 divisors (see below), whose sum is σ = 10003271734008. Its totient is φ = 1639040936960.

The previous prime is 4200042404231. The next prime is 4200042404273. The reversal of 4200042404240 is 424042400024.

It can be written as a sum of positive squares in 4 ways, for example, as 559150999696 + 3640891404544 = 747764^2 + 1908112^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640247087 + ... + 640253646.

Almost surely, 2^{4200042404240} is an apocalyptic number.

4200042404240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4200042404240 is an abundant number, since it is smaller than the sum of its proper divisors (5803229329768).

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

4200042404240 is a wasteful number, since it uses less digits than its factorization.

4200042404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280500787 (or 1280500781 counting only the distinct ones).

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

Adding to 4200042404240 its reverse (424042400024), we get a palindrome (4624084804264).

The spelling of 4200042404240 in words is "four trillion, two hundred billion, forty-two million, four hundred four thousand, two hundred forty".