4102421042000 has 40 divisors (see below), whose sum is σ = 9919654084392. Its totient is φ = 1640968416000.

The previous prime is 4102421041981. The next prime is 4102421042011. The reversal of 4102421042000 is 2401242014.

It can be written as a sum of positive squares in 4 ways, for example, as 166784025664 + 3935637016336 = 408392^2 + 1983844^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1025603261 + ... + 1025607260.

Almost surely, 2^{4102421042000} is an apocalyptic number.

4102421042000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4102421042000 is an abundant number, since it is smaller than the sum of its proper divisors (5817233042392).

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

4102421042000 is a wasteful number, since it uses less digits than its factorization.

4102421042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051210544 (or 2051210528 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 4102421042000 its reverse (2401242014), we get a palindrome (4104822284014).

The spelling of 4102421042000 in words is "four trillion, one hundred two billion, four hundred twenty-one million, forty-two thousand".