4020042354502 has 32 divisors (see below), whose sum is σ = 6091724620800. Its totient is φ = 1989561014400.

The previous prime is 4020042354451. The next prime is 4020042354521. The reversal of 4020042354502 is 2054532400204.

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, 186785502 + ... + 186807022.

It is an arithmetic number, because the mean of its divisors is an integer number (190366394400).

Almost surely, 2^{4020042354502} is an apocalyptic number.

4020042354502 is a deficient number, since it is larger than the sum of its proper divisors (2071682266298).

4020042354502 is a wasteful number, since it uses less digits than its factorization.

4020042354502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23652.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 4020042354502 its reverse (2054532400204), we get a palindrome (6074574754706).

The spelling of 4020042354502 in words is "four trillion, twenty billion, forty-two million, three hundred fifty-four thousand, five hundred two".