42000200104 has 8 divisors (see below), whose sum is σ = 78750375210. Its totient is φ = 21000100048.

The previous prime is 42000200089. The next prime is 42000200117. The reversal of 42000200104 is 40100200024.

It can be written as a sum of positive squares in only one way, i.e., 32220968004 + 9779232100 = 179502^2 + 98890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42000200104² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625012499 + ... + 2625012514.

Almost surely, 2^42000200104 is an apocalyptic number.

It is an amenable number.

42000200104 is a deficient number, since it is larger than the sum of its proper divisors (36750175106).

42000200104 is a wasteful number, since it uses less digits than its factorization.

42000200104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250025019 (or 5250025015 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 42000200104 its reverse (40100200024), we get a palindrome (82100400128).

The spelling of 42000200104 in words is "forty-two billion, two hundred thousand, one hundred four".