4042020023235 has 64 divisors (see below), whose sum is σ = 7433638133760. Its totient is φ = 2081697045120.

The previous prime is 4042020023219. The next prime is 4042020023311. The reversal of 4042020023235 is 5323200202404.

It is a happy number.

4042020023235 is a `hidden beast` number, since 4 + 0 + 420 + 2 + 0 + 0 + 2 + 3 + 235 = 666.

It is not a de Polignac number, because 4042020023235 - 2⁴ = 4042020023219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4042020023199 and 4042020023208.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 894637 + ... + 2980673.

It is an arithmetic number, because the mean of its divisors is an integer number (116150595840).

Almost surely, 2^{4042020023235} is an apocalyptic number.

4042020023235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4042020023235 is a deficient number, since it is larger than the sum of its proper divisors (3391618110525).

4042020023235 is a wasteful number, since it uses less digits than its factorization.

4042020023235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086545 (or 2086539 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 4042020023235 its reverse (5323200202404), we get a palindrome (9365220225639).

The spelling of 4042020023235 in words is "four trillion, forty-two billion, twenty million, twenty-three thousand, two hundred thirty-five".