42204020353525 has 12 divisors (see below), whose sum is σ = 54608332423392. Its totient is φ = 32295250357040.

The previous prime is 42204020353487. The next prime is 42204020353577. The reversal of 42204020353525 is 52535302040224.

It is not a de Polignac number, because 42204020353525 - 2¹⁷ = 42204020222453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36699147559 + ... + 36699148708.

It is an arithmetic number, because the mean of its divisors is an integer number (4550694368616).

Almost surely, 2^{42204020353525} is an apocalyptic number.

It is an amenable number.

42204020353525 is a deficient number, since it is larger than the sum of its proper divisors (12404312069867).

42204020353525 is a wasteful number, since it uses less digits than its factorization.

42204020353525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73398296300 (or 73398296295 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 42204020353525 its reverse (52535302040224), we get a palindrome (94739322393749).

The spelling of 42204020353525 in words is "forty-two trillion, two hundred four billion, twenty million, three hundred fifty-three thousand, five hundred twenty-five".