42005550032 has 20 divisors (see below), whose sum is σ = 83585369316. Its totient is φ = 20435132160.

The previous prime is 42005550031. The next prime is 42005550079. The reversal of 42005550032 is 23005550024.

It can be written as a sum of positive squares in 2 ways, for example, as 24312293776 + 17693256256 = 155924^2 + 133016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42005549983 and 42005550010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42005550031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35477069 + ... + 35478252.

Almost surely, 2^42005550032 is an apocalyptic number.

It is an amenable number.

42005550032 is a deficient number, since it is larger than the sum of its proper divisors (41579819284).

42005550032 is a wasteful number, since it uses less digits than its factorization.

42005550032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70955366 (or 70955360 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 42005550032 in words is "forty-two billion, five million, five hundred fifty thousand, thirty-two".