42055630 has 16 divisors (see below), whose sum is σ = 76167504. Its totient is φ = 16718400.

The previous prime is 42055583. The next prime is 42055649. The reversal of 42055630 is 3655024.

It is a junction number, because it is equal to n+sod(n) for n = 42055595 and 42055604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11271 + ... + 14530.

It is an arithmetic number, because the mean of its divisors is an integer number (4760469).

Almost surely, 2^42055630 is an apocalyptic number.

42055630 is a deficient number, since it is larger than the sum of its proper divisors (34111874).

42055630 is a wasteful number, since it uses less digits than its factorization.

42055630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25971.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 42055630 is about 6485.0312258308. The cubic root of 42055630 is about 347.7560661157.

The spelling of 42055630 in words is "forty-two million, fifty-five thousand, six hundred thirty".