42204055551 has 64 divisors (see below), whose sum is σ = 71911784448. Its totient is φ = 21449184768.

The previous prime is 42204055499. The next prime is 42204055583. The reversal of 42204055551 is 15555040224.

It is not a de Polignac number, because 42204055551 - 2¹³ = 42204047359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204055591) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 650550 + ... + 712476.

It is an arithmetic number, because the mean of its divisors is an integer number (1123621632).

Almost surely, 2^42204055551 is an apocalyptic number.

42204055551 is a deficient number, since it is larger than the sum of its proper divisors (29707728897).

42204055551 is a wasteful number, since it uses less digits than its factorization.

42204055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62060.

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 42204055551 its reverse (15555040224), we get a palindrome (57759095775).

The spelling of 42204055551 in words is "forty-two billion, two hundred four million, fifty-five thousand, five hundred fifty-one".